22212002102121 has 32 divisors (see below), whose sum is σ = 35803291838720. Its totient is φ = 13528007603712.

The previous prime is 22212002102111. The next prime is 22212002102137. The reversal of 22212002102121 is 12120120021222.

It is a happy number.

22212002102121 is a `hidden beast` number, since 2 + 221 + 20 + 0 + 210 + 212 + 1 = 666.

It is not a de Polignac number, because 22212002102121 - 2²³ = 22211993713513 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22212002102094 and 22212002102103.

It is not an unprimeable number, because it can be changed into a prime (22212002102111) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 326162125 + ... + 326230218.

It is an arithmetic number, because the mean of its divisors is an integer number (1118852869960).

Almost surely, 2^{22212002102121} is an apocalyptic number.

It is an amenable number.

22212002102121 is a deficient number, since it is larger than the sum of its proper divisors (13591289736599).

22212002102121 is a wasteful number, since it uses less digits than its factorization.

22212002102121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 652392462 (or 652392456 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 22212002102121 its reverse (12120120021222), we get a palindrome (34332122123343).

The spelling of 22212002102121 in words is "twenty-two trillion, two hundred twelve billion, two million, one hundred two thousand, one hundred twenty-one".