111213330331 has 2 divisors, whose sum is σ = 111213330332. Its totient is φ = 111213330330.

The previous prime is 111213330307. The next prime is 111213330377. The reversal of 111213330331 is 133033312111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 111213330331 - 2⁵ = 111213330299 is a prime.

It is a super-2 number, since 2×111213330331² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (111213330031) 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 as a sum of consecutive naturals, namely, 55606665165 + 55606665166.

It is an arithmetic number, because the mean of its divisors is an integer number (55606665166).

Almost surely, 2^111213330331 is an apocalyptic number.

111213330331 is a deficient number, since it is larger than the sum of its proper divisors (1).

111213330331 is an equidigital number, since it uses as much as digits as its factorization.

111213330331 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 486, while the sum is 22.

Adding to 111213330331 its reverse (133033312111), we get a palindrome (244246642442).

The spelling of 111213330331 in words is "one hundred eleven billion, two hundred thirteen million, three hundred thirty thousand, three hundred thirty-one".