122120010220100 has 72 divisors (see below), whose sum is σ = 265869452432640. Its totient is φ = 48687852539520.

The previous prime is 122120010220049. The next prime is 122120010220147. The reversal of 122120010220100 is 1022010021221.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 259038797 + ... + 259509803.

Almost surely, 2^{122120010220100} is an apocalyptic number.

122120010220100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122120010220100 is an abundant number, since it is smaller than the sum of its proper divisors (143749442212540).

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

122120010220100 is a wasteful number, since it uses less digits than its factorization.

122120010220100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 479517 (or 479510 counting only the distinct ones).

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

Adding to 122120010220100 its reverse (1022010021221), we get a palindrome (123142020241321).

The spelling of 122120010220100 in words is "one hundred twenty-two trillion, one hundred twenty billion, ten million, two hundred twenty thousand, one hundred".