22112122010121 has 72 divisors (see below), whose sum is σ = 39027480197888. Its totient is φ = 11971371931200.

The previous prime is 22112122010119. The next prime is 22112122010137. The reversal of 22112122010121 is 12101022121122.

22112122010121 is a `hidden beast` number, since 221 + 121 + 2 + 201 + 0 + 121 = 666.

It is not a de Polignac number, because 22112122010121 - 2¹ = 22112122010119 is a prime.

It is a super-3 number, since 3×22112122010121³ (a number of 41 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22112122010094 and 22112122010103.

It is not an unprimeable number, because it can be changed into a prime (22112122010171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 24753415 + ... + 25631148.

Almost surely, 2^{22112122010121} is an apocalyptic number.

It is an amenable number.

22112122010121 is a deficient number, since it is larger than the sum of its proper divisors (16915358187767).

22112122010121 is a wasteful number, since it uses less digits than its factorization.

22112122010121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50384635 (or 50384621 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 22112122010121 its reverse (12101022121122), we get a palindrome (34213144131243).

The spelling of 22112122010121 in words is "twenty-two trillion, one hundred twelve billion, one hundred twenty-two million, ten thousand, one hundred twenty-one".