22121101122 has 64 divisors (see below), whose sum is σ = 46443456000. Its totient is φ = 7018260480.

The previous prime is 22121101111. The next prime is 22121101147. The reversal of 22121101122 is 22110112122.

It is a super-2 number, since 2×22121101122² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1523754 + ... + 1538202.

It is an arithmetic number, because the mean of its divisors is an integer number (725679000).

Almost surely, 2^22121101122 is an apocalyptic number.

22121101122 is an abundant number, since it is smaller than the sum of its proper divisors (24322354878).

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

22121101122 is a wasteful number, since it uses less digits than its factorization.

22121101122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14651.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 22121101122 its reverse (22110112122), we get a palindrome (44231213244).

The spelling of 22121101122 in words is "twenty-two billion, one hundred twenty-one million, one hundred one thousand, one hundred twenty-two".