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122022121111220 = 225111511367072141
BaseRepresentation
bin11011101111101001111101…
…001011101111111010110100
3121000001012102102101202202002
4123233221331023233322310
5111443202301001024340
61111304104422034432
734462543625060651
oct3357517513577264
9530035372352662
10122022121111220
11359753222912a0
1211828855578a18
135311837938965
14221bc8b7c8c28
15e1911e6d6715
hex6efa7d2efeb4

122022121111220 has 48 divisors (see below), whose sum is σ = 279726591666816. Its totient is φ = 44342314512000.

The previous prime is 122022121111217. The next prime is 122022121111301. The reversal of 122022121111220 is 22111121220221.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 122022121111192 and 122022121111201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 183203651 + ... + 183868490.

It is an arithmetic number, because the mean of its divisors is an integer number (5827637326392).

Almost surely, 2122022121111220 is an apocalyptic number.

122022121111220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122022121111220 is an abundant number, since it is smaller than the sum of its proper divisors (157704470555596).

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

122022121111220 is a wasteful number, since it uses less digits than its factorization.

122022121111220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 367073672 (or 367073670 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 122022121111220 its reverse (22111121220221), we get a palindrome (144133242331441).

The spelling of 122022121111220 in words is "one hundred twenty-two trillion, twenty-two billion, one hundred twenty-one million, one hundred eleven thousand, two hundred twenty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 1511 3022 6044 7555 15110 16621 30220 33242 66484 83105 166210 332420 367072141 734144282 1468288564 1835360705 3670721410 4037793551 7341442820 8075587102 16151174204 20188967755 40377935510 80755871020 554646005051 1109292010102 2218584020204 2773230025255 5546460050510 6101106055561 11092920101020 12202212111122 24404424222244 30505530277805 61011060555610 122022121111220