22110312131 has 4 divisors (see below), whose sum is σ = 22580744352. Its totient is φ = 21639879912.

The previous prime is 22110312121. The next prime is 22110312199. The reversal of 22110312131 is 13121301122.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13121301122 = 2 ⋅6560650561.

It is a cyclic number.

It is not a de Polignac number, because 22110312131 - 2¹⁰ = 22110311107 is a prime.

It is a super-2 number, since 2×22110312131² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22110312121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 235216040 + ... + 235216133.

It is an arithmetic number, because the mean of its divisors is an integer number (5645186088).

Almost surely, 2^22110312131 is an apocalyptic number.

22110312131 is a deficient number, since it is larger than the sum of its proper divisors (470432221).

22110312131 is an equidigital number, since it uses as much as digits as its factorization.

22110312131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 470432220.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 22110312131 its reverse (13121301122), we get a palindrome (35231613253).

The spelling of 22110312131 in words is "twenty-two billion, one hundred ten million, three hundred twelve thousand, one hundred thirty-one".