22120000021122 has 16 divisors (see below), whose sum is σ = 45765517285440. Its totient is φ = 7119080466512.

The previous prime is 22120000021121. The next prime is 22120000021139. The reversal of 22120000021122 is 22112000002122.

It is a super-2 number, since 2×22120000021122² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22120000021121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63563218278 + ... + 63563218625.

It is an arithmetic number, because the mean of its divisors is an integer number (2860344830340).

Almost surely, 2^{22120000021122} is an apocalyptic number.

22120000021122 is an abundant number, since it is smaller than the sum of its proper divisors (23645517264318).

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

22120000021122 is a wasteful number, since it uses less digits than its factorization.

22120000021122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127126436937.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 22120000021122 its reverse (22112000002122), we get a palindrome (44232000023244).

The spelling of 22120000021122 in words is "twenty-two trillion, one hundred twenty billion, twenty-one thousand, one hundred twenty-two".