22100216031 has 6 divisors (see below), whose sum is σ = 31922534280. Its totient is φ = 14733477348.

The previous prime is 22100216027. The next prime is 22100216051. The reversal of 22100216031 is 13061200122.

It is not a de Polignac number, because 22100216031 - 2² = 22100216027 is a prime.

It is a super-2 number, since 2×22100216031² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22100215995 and 22100216013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22100216051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1227789771 + ... + 1227789788.

It is an arithmetic number, because the mean of its divisors is an integer number (5320422380).

Almost surely, 2^22100216031 is an apocalyptic number.

22100216031 is a deficient number, since it is larger than the sum of its proper divisors (9822318249).

22100216031 is a wasteful number, since it uses less digits than its factorization.

22100216031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2455579565 (or 2455579562 counting only the distinct ones).

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

Adding to 22100216031 its reverse (13061200122), we get a palindrome (35161416153).

The spelling of 22100216031 in words is "twenty-two billion, one hundred million, two hundred sixteen thousand, thirty-one".