22011000012122 has 32 divisors (see below), whose sum is σ = 37731645676800. Its totient is φ = 9537721502400.

The previous prime is 22011000012101. The next prime is 22011000012137. The reversal of 22011000012122 is 22121000011022.

It is a junction number, because it is equal to n+sod(n) for n = 22011000012097 and 22011000012106.

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, 218304029 + ... + 218404832.

It is an arithmetic number, because the mean of its divisors is an integer number (1179113927400).

Almost surely, 2^{22011000012122} is an apocalyptic number.

22011000012122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

22011000012122 is a deficient number, since it is larger than the sum of its proper divisors (15720645664678).

22011000012122 is a wasteful number, since it uses less digits than its factorization.

22011000012122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 436708982.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 22011000012122 its reverse (22121000011022), we get a palindrome (44132000023144).

The spelling of 22011000012122 in words is "twenty-two trillion, eleven billion, twelve thousand, one hundred twenty-two".