111322444131 has 24 divisors (see below), whose sum is σ = 162633744000. Its totient is φ = 73368484992.

The previous prime is 111322444097. The next prime is 111322444151. The reversal of 111322444131 is 131444223111.

It is a happy number.

111322444131 is a `hidden beast` number, since 1 + 1 + 1 + 3 + 2 + 244 + 413 + 1 = 666.

It is not a de Polignac number, because 111322444131 - 2⁶ = 111322444067 is a prime.

It is a super-2 number, since 2×111322444131² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 111322444095 and 111322444104.

It is not an unprimeable number, because it can be changed into a prime (111322444151) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8066385 + ... + 8080173.

It is an arithmetic number, because the mean of its divisors is an integer number (6776406000).

Almost surely, 2^111322444131 is an apocalyptic number.

111322444131 is a deficient number, since it is larger than the sum of its proper divisors (51311299869).

111322444131 is a wasteful number, since it uses less digits than its factorization.

111322444131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23963 (or 23960 counting only the distinct ones).

The product of its digits is 2304, while the sum is 27.

Adding to 111322444131 its reverse (131444223111), we get a palindrome (242766667242).

The spelling of 111322444131 in words is "one hundred eleven billion, three hundred twenty-two million, four hundred forty-four thousand, one hundred thirty-one".