22222002012111 has 72 divisors (see below), whose sum is σ = 37153998401520. Its totient is φ = 12753788256000.

The previous prime is 22222002012109. The next prime is 22222002012127. The reversal of 22222002012111 is 11121020022222.

It is a happy number.

22222002012111 is a `hidden beast` number, since 222 + 220 + 0 + 201 + 21 + 1 + 1 = 666.

It is not a de Polignac number, because 22222002012111 - 2¹ = 22222002012109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22222002012101) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 50286741 + ... + 50726721.

Almost surely, 2^{22222002012111} is an apocalyptic number.

22222002012111 is a deficient number, since it is larger than the sum of its proper divisors (14931996389409).

22222002012111 is a wasteful number, since it uses less digits than its factorization.

22222002012111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 442469 (or 442455 counting only the distinct ones).

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

Adding to 22222002012111 its reverse (11121020022222), we get a palindrome (33343022034333).

The spelling of 22222002012111 in words is "twenty-two trillion, two hundred twenty-two billion, two million, twelve thousand, one hundred eleven".