122101012100 has 36 divisors (see below), whose sum is σ = 264995539200. Its totient is φ = 48833705760.

The previous prime is 122101012069. The next prime is 122101012139. The reversal of 122101012100 is 1210101221.

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, 683981 + ... + 843819.

It is an arithmetic number, because the mean of its divisors is an integer number (7360987200).

Almost surely, 2^122101012100 is an apocalyptic number.

122101012100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122101012100 is an abundant number, since it is smaller than the sum of its proper divisors (142894527100).

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

122101012100 is a wasteful number, since it uses less digits than its factorization.

122101012100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167492 (or 167485 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 122101012100 its reverse (1210101221), we get a palindrome (123311113321).

The spelling of 122101012100 in words is "one hundred twenty-two billion, one hundred one million, twelve thousand, one hundred".