22112002203231 has 8 divisors (see below), whose sum is σ = 29498511991984. Its totient is φ = 14733413608320.

The previous prime is 22112002203227. The next prime is 22112002203233. The reversal of 22112002203231 is 13230220021122.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 22112002203231 - 2² = 22112002203227 is a prime.

It is a super-2 number, since 2×22112002203231² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22112002203198 and 22112002203207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22112002203233) 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, 1980291946 + ... + 1980303111.

It is an arithmetic number, because the mean of its divisors is an integer number (3687313998998).

Almost surely, 2^{22112002203231} is an apocalyptic number.

22112002203231 is a deficient number, since it is larger than the sum of its proper divisors (7386509788753).

22112002203231 is a wasteful number, since it uses less digits than its factorization.

22112002203231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3960596921.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 22112002203231 its reverse (13230220021122), we get a palindrome (35342222224353).

The spelling of 22112002203231 in words is "twenty-two trillion, one hundred twelve billion, two million, two hundred three thousand, two hundred thirty-one".