111110100139 has 2 divisors, whose sum is σ = 111110100140. Its totient is φ = 111110100138.

The previous prime is 111110100121. The next prime is 111110100181. The reversal of 111110100139 is 931001011111.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 111110100139 - 2⁵ = 111110100107 is a prime.

It is not a weakly prime, because it can be changed into another prime (111110100839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55555050069 + 55555050070.

It is an arithmetic number, because the mean of its divisors is an integer number (55555050070).

Almost surely, 2^111110100139 is an apocalyptic number.

111110100139 is a deficient number, since it is larger than the sum of its proper divisors (1).

111110100139 is an equidigital number, since it uses as much as digits as its factorization.

111110100139 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27, while the sum is 19.

The spelling of 111110100139 in words is "one hundred eleven billion, one hundred ten million, one hundred thousand, one hundred thirty-nine".