111099967331 has 2 divisors, whose sum is σ = 111099967332. Its totient is φ = 111099967330.

The previous prime is 111099967313. The next prime is 111099967351. The reversal of 111099967331 is 133769990111.

Together with previous prime (111099967313) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111099967331 is a prime.

It is a super-2 number, since 2×111099967331² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 111099967331.

It is not a weakly prime, because it can be changed into another prime (111099967301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55549983665 + 55549983666.

It is an arithmetic number, because the mean of its divisors is an integer number (55549983666).

Almost surely, 2^111099967331 is an apocalyptic number.

111099967331 is a deficient number, since it is larger than the sum of its proper divisors (1).

111099967331 is an equidigital number, since it uses as much as digits as its factorization.

111099967331 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 275562, while the sum is 50.

The spelling of 111099967331 in words is "one hundred eleven billion, ninety-nine million, nine hundred sixty-seven thousand, three hundred thirty-one".