22101131013231 has 8 divisors (see below), whose sum is σ = 31019131246720. Its totient is φ = 13958609060952.

The previous prime is 22101131013211. The next prime is 22101131013233. The reversal of 22101131013231 is 13231013110122.

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

It is not a de Polignac number, because 22101131013231 - 2³¹ = 22098983529583 is a prime.

It is a super-2 number, since 2×22101131013231² (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 = 22101131013198 and 22101131013207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22101131013233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 193869570235 + ... + 193869570348.

It is an arithmetic number, because the mean of its divisors is an integer number (3877391405840).

Almost surely, 2^{22101131013231} is an apocalyptic number.

22101131013231 is a deficient number, since it is larger than the sum of its proper divisors (8918000233489).

22101131013231 is a wasteful number, since it uses less digits than its factorization.

22101131013231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 387739140605.

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 22101131013231 its reverse (13231013110122), we get a palindrome (35332144123353).

The spelling of 22101131013231 in words is "twenty-two trillion, one hundred one billion, one hundred thirty-one million, thirteen thousand, two hundred thirty-one".