111331032321133 has 16 divisors (see below), whose sum is σ = 111517074345600. Its totient is φ = 111145183395840.

The previous prime is 111331032321127. The next prime is 111331032321209. The reversal of 111331032321133 is 331123230133111.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 111331032321133 - 2⁹ = 111331032320621 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111331032324133) 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, 12050112528 + ... + 12050121766.

It is an arithmetic number, because the mean of its divisors is an integer number (6969817146600).

Almost surely, 2^{111331032321133} is an apocalyptic number.

It is an amenable number.

111331032321133 is a deficient number, since it is larger than the sum of its proper divisors (186042024467).

111331032321133 is a wasteful number, since it uses less digits than its factorization.

111331032321133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17652.

The product of its (nonzero) digits is 2916, while the sum is 28.

Adding to 111331032321133 its reverse (331123230133111), we get a palindrome (442454262454244).

The spelling of 111331032321133 in words is "one hundred eleven trillion, three hundred thirty-one billion, thirty-two million, three hundred twenty-one thousand, one hundred thirty-three".