22000012112122 has 16 divisors (see below), whose sum is σ = 36837229584672. Its totient is φ = 9767447237520.

The previous prime is 22000012112107. The next prime is 22000012112173. The reversal of 22000012112122 is 22121121000022.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 22000012112096 and 22000012112105.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11627912433 + ... + 11627914324.

It is an arithmetic number, because the mean of its divisors is an integer number (2302326849042).

Almost surely, 2^{22000012112122} is an apocalyptic number.

22000012112122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

22000012112122 is a deficient number, since it is larger than the sum of its proper divisors (14837217472550).

22000012112122 is a wasteful number, since it uses less digits than its factorization.

22000012112122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23255826813.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 22000012112122 its reverse (22121121000022), we get a palindrome (44121133112144).

The spelling of 22000012112122 in words is "twenty-two trillion, twelve million, one hundred twelve thousand, one hundred twenty-two".