22112210212002 has 24 divisors (see below), whose sum is σ = 48813747073884. Its totient is φ = 7231666232544.

The previous prime is 22112210211989. The next prime is 22112210212049. The reversal of 22112210212002 is 20021201221122.

It is a happy number.

22112210212002 is a `hidden beast` number, since 221 + 1 + 221 + 0 + 21 + 200 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 17217014136921 + 4895196075081 = 4149339^2 + 2212509^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11589207753 + ... + 11589209660.

Almost surely, 2^{22112210212002} is an apocalyptic number.

22112210212002 is an abundant number, since it is smaller than the sum of its proper divisors (26701536861882).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22112210212002 is a wasteful number, since it uses less digits than its factorization.

22112210212002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23178417474 (or 23178417471 counting only the distinct ones).

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

Adding to 22112210212002 its reverse (20021201221122), we get a palindrome (42133411433124).

The spelling of 22112210212002 in words is "twenty-two trillion, one hundred twelve billion, two hundred ten million, two hundred twelve thousand, two".