22101113031 has 4 divisors (see below), whose sum is σ = 29468150712. Its totient is φ = 14734075352.

The previous prime is 22101113003. The next prime is 22101113087. The reversal of 22101113031 is 13031110122.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22101113031 is a prime.

It is a super-2 number, since 2×22101113031² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 22101113031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22101113131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3683518836 + ... + 3683518841.

It is an arithmetic number, because the mean of its divisors is an integer number (7367037678).

Almost surely, 2^22101113031 is an apocalyptic number.

22101113031 is a deficient number, since it is larger than the sum of its proper divisors (7367037681).

22101113031 is an equidigital number, since it uses as much as digits as its factorization.

22101113031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7367037680.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 22101113031 its reverse (13031110122), we get a palindrome (35132223153).

The spelling of 22101113031 in words is "twenty-two billion, one hundred one million, one hundred thirteen thousand, thirty-one".