22120112031 has 16 divisors (see below), whose sum is σ = 30457512960. Its totient is φ = 14265120960.

The previous prime is 22120112029. The next prime is 22120112081. The reversal of 22120112031 is 13021102122.

It is not a de Polignac number, because 22120112031 - 2¹ = 22120112029 is a prime.

It is a super-2 number, since 2×22120112031² (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 22120112031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22120112081) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 181900 + ... + 278078.

It is an arithmetic number, because the mean of its divisors is an integer number (1903594560).

Almost surely, 2^22120112031 is an apocalyptic number.

22120112031 is a deficient number, since it is larger than the sum of its proper divisors (8337400929).

22120112031 is a wasteful number, since it uses less digits than its factorization.

22120112031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98686.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 22120112031 its reverse (13021102122), we get a palindrome (35141214153).

Subtracting from 22120112031 its reverse (13021102122), we obtain a palindrome (9099009909).

The spelling of 22120112031 in words is "twenty-two billion, one hundred twenty million, one hundred twelve thousand, thirty-one".