111133023131 has 8 divisors (see below), whose sum is σ = 119692093920. Its totient is φ = 102575434752.

The previous prime is 111133023107. The next prime is 111133023163. The reversal of 111133023131 is 131320331111.

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

It is a cyclic number.

It is not a de Polignac number, because 111133023131 - 2¹⁸ = 111132760987 is a prime.

It is a super-2 number, since 2×111133023131² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111133053131) 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, 212390 + ... + 517083.

It is an arithmetic number, because the mean of its divisors is an integer number (14961511740).

Almost surely, 2^111133023131 is an apocalyptic number.

111133023131 is a deficient number, since it is larger than the sum of its proper divisors (8559070789).

111133023131 is a wasteful number, since it uses less digits than its factorization.

111133023131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 741205.

The product of its (nonzero) digits is 162, while the sum is 20.

Adding to 111133023131 its reverse (131320331111), we get a palindrome (242453354242).

The spelling of 111133023131 in words is "one hundred eleven billion, one hundred thirty-three million, twenty-three thousand, one hundred thirty-one".