22111203131022 has 16 divisors (see below), whose sum is σ = 45301001537232. Its totient is φ = 7190635164480.

The previous prime is 22111203131021. The next prime is 22111203131057. The reversal of 22111203131022 is 22013130211122.

It is a self number, because there is not a number n which added to its sum of digits gives 22111203131022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22111203131021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44941469533 + ... + 44941470024.

It is an arithmetic number, because the mean of its divisors is an integer number (2831312596077).

Almost surely, 2^{22111203131022} is an apocalyptic number.

22111203131022 is an abundant number, since it is smaller than the sum of its proper divisors (23189798406210).

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

22111203131022 is a wasteful number, since it uses less digits than its factorization.

22111203131022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89882939603.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 22111203131022 its reverse (22013130211122), we get a palindrome (44124333342144).

The spelling of 22111203131022 in words is "twenty-two trillion, one hundred eleven billion, two hundred three million, one hundred thirty-one thousand, twenty-two".