22100101031 has 4 divisors (see below), whose sum is σ = 23400106992. Its totient is φ = 20800095072.

The previous prime is 22100101013. The next prime is 22100101063. The reversal of 22100101031 is 13010100122.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13010100122 = 2 ⋅6505050061.

It is a cyclic number.

It is not a de Polignac number, because 22100101031 - 2¹⁴ = 22100084647 is a prime.

It is a super-2 number, since 2×22100101031² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22100101081) 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 3 ways as a sum of consecutive naturals, for example, 650002955 + ... + 650002988.

It is an arithmetic number, because the mean of its divisors is an integer number (5850026748).

Almost surely, 2^22100101031 is an apocalyptic number.

22100101031 is a deficient number, since it is larger than the sum of its proper divisors (1300005961).

22100101031 is a wasteful number, since it uses less digits than its factorization.

22100101031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1300005960.

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 22100101031 its reverse (13010100122), we get a palindrome (35110201153).

Subtracting from 22100101031 its reverse (13010100122), we obtain a palindrome (9090000909).

The spelling of 22100101031 in words is "twenty-two billion, one hundred million, one hundred one thousand, thirty-one".