22012021122122 has 32 divisors (see below), whose sum is σ = 34472761602048. Its totient is φ = 10521634668336.

The previous prime is 22012021122109. The next prime is 22012021122131. The reversal of 22012021122122 is 22122112021022.

It is a junction number, because it is equal to n+sod(n) for n = 22012021122094 and 22012021122103.

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, 680143913 + ... + 680176275.

It is an arithmetic number, because the mean of its divisors is an integer number (1077273800064).

Almost surely, 2^{22012021122122} is an apocalyptic number.

22012021122122 is a deficient number, since it is larger than the sum of its proper divisors (12460740479926).

22012021122122 is a wasteful number, since it uses less digits than its factorization.

22012021122122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40154.

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

Adding to 22012021122122 its reverse (22122112021022), we get a palindrome (44134133143144).

The spelling of 22012021122122 in words is "twenty-two trillion, twelve billion, twenty-one million, one hundred twenty-two thousand, one hundred twenty-two".