111330212331 has 32 divisors (see below), whose sum is σ = 165426408000. Its totient is φ = 66126348288.

The previous prime is 111330212311. The next prime is 111330212423. The reversal of 111330212331 is 133212033111.

It is a happy number.

It is not a de Polignac number, because 111330212331 - 2³⁰ = 110256470507 is a prime.

It is a super-2 number, since 2×111330212331² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 111330212298 and 111330212307.

It is not an unprimeable number, because it can be changed into a prime (111330212311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3750315 + ... + 3779883.

It is an arithmetic number, because the mean of its divisors is an integer number (5169575250).

Almost surely, 2^111330212331 is an apocalyptic number.

111330212331 is a deficient number, since it is larger than the sum of its proper divisors (54096195669).

111330212331 is a wasteful number, since it uses less digits than its factorization.

111330212331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32943.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 111330212331 its reverse (133212033111), we get a palindrome (244542245442).

The spelling of 111330212331 in words is "one hundred eleven billion, three hundred thirty million, two hundred twelve thousand, three hundred thirty-one".