122222120102120 has 32 divisors (see below), whose sum is σ = 275000096238120. Its totient is φ = 48888790083840.

The previous prime is 122222120102119. The next prime is 122222120102141. The reversal of 122222120102120 is 21201021222221.

It can be written as a sum of positive squares in 4 ways, for example, as 49483430526916 + 72738689575204 = 7034446^2 + 8528698^2 .

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 = 122222120102092 and 122222120102101.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52341110 + ... + 54626330.

Almost surely, 2^{122222120102120} is an apocalyptic number.

122222120102120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122222120102120 is an abundant number, since it is smaller than the sum of its proper divisors (152777976136000).

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

122222120102120 is a wasteful number, since it uses less digits than its factorization.

122222120102120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3622325 (or 3622321 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 122222120102120 its reverse (21201021222221), we get a palindrome (143423141324341).

The spelling of 122222120102120 in words is "one hundred twenty-two trillion, two hundred twenty-two billion, one hundred twenty million, one hundred two thousand, one hundred twenty".