22222100111202 has 24 divisors (see below), whose sum is σ = 48466743736320. Its totient is φ = 7358311294200.

The previous prime is 22222100111149. The next prime is 22222100111213. The reversal of 22222100111202 is 20211100122222.

It is a happy number.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4087948002 + ... + 4087953437.

It is an arithmetic number, because the mean of its divisors is an integer number (2019447655680).

Almost surely, 2^{22222100111202} is an apocalyptic number.

22222100111202 is an abundant number, since it is smaller than the sum of its proper divisors (26244643625118).

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

22222100111202 is a wasteful number, since it uses less digits than its factorization.

22222100111202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8175901598 (or 8175901595 counting only the distinct ones).

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

Adding to 22222100111202 its reverse (20211100122222), we get a palindrome (42433200233424).

The spelling of 22222100111202 in words is "twenty-two trillion, two hundred twenty-two billion, one hundred million, one hundred eleven thousand, two hundred two".