122210100111100 has 36 divisors (see below), whose sum is σ = 280795677082704. Its totient is φ = 46008508276480.

The previous prime is 122210100111067. The next prime is 122210100111149. The reversal of 122210100111100 is 1111001012221.

It is a happy number.

It is a congruent number.

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, 35944145392 + ... + 35944148791.

It is an arithmetic number, because the mean of its divisors is an integer number (7799879918964).

Almost surely, 2^{122210100111100} is an apocalyptic number.

122210100111100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122210100111100 is an abundant number, since it is smaller than the sum of its proper divisors (158585576971604).

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

122210100111100 is a wasteful number, since it uses less digits than its factorization.

122210100111100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71888294214 (or 71888294207 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 122210100111100 its reverse (1111001012221), we get a palindrome (123321101123321).

The spelling of 122210100111100 in words is "one hundred twenty-two trillion, two hundred ten billion, one hundred million, one hundred eleven thousand, one hundred".