22111220022122 has 32 divisors (see below), whose sum is σ = 41536282927104. Its totient is φ = 8576129818800.

The previous prime is 22111220022103. The next prime is 22111220022211. The reversal of 22111220022122 is 22122002211122.

It is a junction number, because it is equal to n+sod(n) for n = 22111220022094 and 22111220022103.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 321892454 + ... + 321961137.

It is an arithmetic number, because the mean of its divisors is an integer number (1298008841472).

Almost surely, 2^{22111220022122} is an apocalyptic number.

22111220022122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

22111220022122 is a deficient number, since it is larger than the sum of its proper divisors (19425062904982).

22111220022122 is a wasteful number, since it uses less digits than its factorization.

22111220022122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 643853834.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 22111220022122 its reverse (22122002211122), we get a palindrome (44233222233244).

The spelling of 22111220022122 in words is "twenty-two trillion, one hundred eleven billion, two hundred twenty million, twenty-two thousand, one hundred twenty-two".