22111444131 has 8 divisors (see below), whose sum is σ = 33693629184. Its totient is φ = 12635110920.

The previous prime is 22111444097. The next prime is 22111444193. The reversal of 22111444131 is 13144411122.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 22111444131 - 2⁶ = 22111444067 is a prime.

It is a super-2 number, since 2×22111444131² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22111444031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 526462935 + ... + 526462976.

It is an arithmetic number, because the mean of its divisors is an integer number (4211703648).

Almost surely, 2^22111444131 is an apocalyptic number.

22111444131 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

22111444131 is a deficient number, since it is larger than the sum of its proper divisors (11582185053).

22111444131 is a wasteful number, since it uses less digits than its factorization.

22111444131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1052925921.

The product of its digits is 768, while the sum is 24.

Adding to 22111444131 its reverse (13144411122), we get a palindrome (35255855253).

The spelling of 22111444131 in words is "twenty-two billion, one hundred eleven million, four hundred forty-four thousand, one hundred thirty-one".