22112103031 has 4 divisors (see below), whose sum is σ = 23412814992. Its totient is φ = 20811391072.

The previous prime is 22112103017. The next prime is 22112103037. The reversal of 22112103031 is 13030121122.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13030121122 = 2 ⋅6515060561.

It is a cyclic number.

It is not a de Polignac number, because 22112103031 - 2¹³ = 22112094839 is a prime.

It is a super-2 number, since 2×22112103031² (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 = 22112102996 and 22112103014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22112103037) 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 3 ways as a sum of consecutive naturals, for example, 650355955 + ... + 650355988.

It is an arithmetic number, because the mean of its divisors is an integer number (5853203748).

Almost surely, 2^22112103031 is an apocalyptic number.

22112103031 is a deficient number, since it is larger than the sum of its proper divisors (1300711961).

22112103031 is a wasteful number, since it uses less digits than its factorization.

22112103031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1300711960.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 22112103031 its reverse (13030121122), we get a palindrome (35142224153).

The spelling of 22112103031 in words is "twenty-two billion, one hundred twelve million, one hundred three thousand, thirty-one".