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22102121120 = 255138138257
BaseRepresentation
bin10100100101011000…
…111001101010100000
32010001100001002022112
4110211120321222200
5330231120333440
614053101054452
71411465633622
oct244530715240
963040032275
1022102121120
119412086802
124349b57428
1321130590a1
1410d9564c12
158955a1965
hex525639aa0

22102121120 has 24 divisors (see below), whose sum is σ = 52216261524. Its totient is φ = 8840848384.

The previous prime is 22102121117. The next prime is 22102121149. The reversal of 22102121120 is 2112120122.

It can be written as a sum of positive squares in 2 ways, for example, as 21664307344 + 437813776 = 147188^2 + 20924^2 .

It is a junction number, because it is equal to n+sod(n) for n = 22102121095 and 22102121104.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69068969 + ... + 69069288.

Almost surely, 222102121120 is an apocalyptic number.

22102121120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22102121120 is an abundant number, since it is smaller than the sum of its proper divisors (30114140404).

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

22102121120 is a wasteful number, since it uses less digits than its factorization.

22102121120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138138272 (or 138138264 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 22102121120 its reverse (2112120122), we get a palindrome (24214241242).

The spelling of 22102121120 in words is "twenty-two billion, one hundred two million, one hundred twenty-one thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 32 40 80 160 138138257 276276514 552553028 690691285 1105106056 1381382570 2210212112 2762765140 4420424224 5525530280 11051060560 22102121120