122222100100112 has 20 divisors (see below), whose sum is σ = 241843729986816. Its totient is φ = 59810814942240.

The previous prime is 122222100100081. The next prime is 122222100100157. The reversal of 122222100100112 is 211001001222221.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81264693464 + ... + 81264694967.

Almost surely, 2^{122222100100112} is an apocalyptic number.

It is an amenable number.

122222100100112 is a deficient number, since it is larger than the sum of its proper divisors (119621629886704).

122222100100112 is a wasteful number, since it uses less digits than its factorization.

122222100100112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162529388486 (or 162529388480 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 122222100100112 its reverse (211001001222221), we get a palindrome (333223101322333).

The spelling of 122222100100112 in words is "one hundred twenty-two trillion, two hundred twenty-two billion, one hundred million, one hundred thousand, one hundred twelve".