22112313021 has 12 divisors (see below), whose sum is σ = 32057871040. Its totient is φ = 14687143560.

The previous prime is 22112313011. The next prime is 22112313079. The reversal of 22112313021 is 12031321122.

It is not a de Polignac number, because 22112313021 - 2¹³ = 22112304829 is a prime.

It is a super-2 number, since 2×22112313021² (a number of 21 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 = 22112312985 and 22112313003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22112313011) by changing a digit.

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, 4530631 + ... + 4535508.

Almost surely, 2^22112313021 is an apocalyptic number.

It is an amenable number.

22112313021 is a deficient number, since it is larger than the sum of its proper divisors (9945558019).

22112313021 is a wasteful number, since it uses less digits than its factorization.

22112313021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9066416 (or 9066413 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 22112313021 its reverse (12031321122), we get a palindrome (34143634143).

The spelling of 22112313021 in words is "twenty-two billion, one hundred twelve million, three hundred thirteen thousand, twenty-one".