122102212100 has 72 divisors (see below), whose sum is σ = 289156367808. Its totient is φ = 44384348800.

The previous prime is 122102212079. The next prime is 122102212153. The reversal of 122102212100 is 1212201221.

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, 3174182 + ... + 3212418.

It is an arithmetic number, because the mean of its divisors is an integer number (4016060664).

Almost surely, 2^122102212100 is an apocalyptic number.

122102212100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122102212100 is an abundant number, since it is smaller than the sum of its proper divisors (167054155708).

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

122102212100 is a wasteful number, since it uses less digits than its factorization.

122102212100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41165 (or 41158 counting only the distinct ones).

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

Adding to 122102212100 its reverse (1212201221), we get a palindrome (123314413321).

The spelling of 122102212100 in words is "one hundred twenty-two billion, one hundred two million, two hundred twelve thousand, one hundred".