122221111092 has 48 divisors (see below), whose sum is σ = 291231818304. Its totient is φ = 39882528000.

The previous prime is 122221111039. The next prime is 122221111093. The reversal of 122221111092 is 290111122221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122221111093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 241209 + ... + 550112.

It is an arithmetic number, because the mean of its divisors is an integer number (6067329548).

Almost surely, 2^122221111092 is an apocalyptic number.

122221111092 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

122221111092 is an abundant number, since it is smaller than the sum of its proper divisors (169010707212).

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

122221111092 is a wasteful number, since it uses less digits than its factorization.

122221111092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 791600 (or 791598 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 24.

The spelling of 122221111092 in words is "one hundred twenty-two billion, two hundred twenty-one million, one hundred eleven thousand, ninety-two".