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22122120111120 = 2432530725166821
BaseRepresentation
bin1010000011110101101010…
…00111000110010000010000
32220022212001120211202211100
411001322311013012100100
510344422100222023440
6115014432304544400
74442161521240231
oct501726507062020
986285046752740
1022122120111120
117059a36097897
1225934b9322100
13c46151042193
14566a05857088
152856a9005230
hex141eb51c6410

22122120111120 has 60 divisors (see below), whose sum is σ = 74293453375596. Its totient is φ = 5899232029440.

The previous prime is 22122120111083. The next prime is 22122120111137. The reversal of 22122120111120 is 2111102122122.

22122120111120 is a `hidden beast` number, since 221 + 2 + 212 + 0 + 111 + 120 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 4183710249744 + 17938409861376 = 2045412^2 + 4235376^2 .

It is a tau number, because it is divible by the number of its divisors (60).

It is a super-2 number, since 2×221221201111202 (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 22122120111093 and 22122120111102.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15362582691 + ... + 15362584130.

Almost surely, 222122120111120 is an apocalyptic number.

22122120111120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22122120111120 is an abundant number, since it is smaller than the sum of its proper divisors (52171333264476).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22122120111120 is a wasteful number, since it uses less digits than its factorization.

22122120111120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30725166840 (or 30725166831 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 22122120111120 its reverse (2111102122122), we get a palindrome (24233222233242).

The spelling of 22122120111120 in words is "twenty-two trillion, one hundred twenty-two billion, one hundred twenty million, one hundred eleven thousand, one hundred twenty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 36 40 45 48 60 72 80 90 120 144 180 240 360 720 30725166821 61450333642 92175500463 122900667284 153625834105 184351000926 245801334568 276526501389 307251668210 368702001852 460877502315 491602669136 553053002778 614503336420 737404003704 921755004630 1106106005556 1229006672840 1382632506945 1474808007408 1843510009260 2212212011112 2458013345680 2765265013890 3687020018520 4424424022224 5530530027780 7374040037040 11061060055560 22122120111120