111233061131 has 16 divisors (see below), whose sum is σ = 120669665760. Its totient is φ = 102118840320.

The previous prime is 111233061109. The next prime is 111233061157. The reversal of 111233061131 is 131160332111.

It is a cyclic number.

It is not a de Polignac number, because 111233061131 - 2⁶ = 111233061067 is a prime.

It is a super-2 number, since 2×111233061131² (a number of 23 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 = 111233061097 and 111233061106.

It is not an unprimeable number, because it can be changed into a prime (111233061161) 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, 5718935 + ... + 5738351.

It is an arithmetic number, because the mean of its divisors is an integer number (7541854110).

Almost surely, 2^111233061131 is an apocalyptic number.

111233061131 is a deficient number, since it is larger than the sum of its proper divisors (9436604629).

111233061131 is a wasteful number, since it uses less digits than its factorization.

111233061131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27694.

The product of its (nonzero) digits is 324, while the sum is 23.

Adding to 111233061131 its reverse (131160332111), we get a palindrome (242393393242).

The spelling of 111233061131 in words is "one hundred eleven billion, two hundred thirty-three million, sixty-one thousand, one hundred thirty-one".