122213112100 has 36 divisors (see below), whose sum is σ = 269160713584. Its totient is φ = 48155611680.

The previous prime is 122213112059. The next prime is 122213112137. The reversal of 122213112100 is 1211312221.

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, 9113682 + ... + 9127081.

Almost surely, 2^122213112100 is an apocalyptic number.

122213112100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122213112100 is an abundant number, since it is smaller than the sum of its proper divisors (146947601484).

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

122213112100 is a wasteful number, since it uses less digits than its factorization.

122213112100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18240844 (or 18240837 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 122213112100 its reverse (1211312221), we get a palindrome (123424424321).

The spelling of 122213112100 in words is "one hundred twenty-two billion, two hundred thirteen million, one hundred twelve thousand, one hundred".