111010139 has 2 divisors, whose sum is σ = 111010140. Its totient is φ = 111010138.

The previous prime is 111010129. The next prime is 111010157. The reversal of 111010139 is 931010111.

It is a weak prime.

It is an emirp because it is prime and its reverse (931010111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 111010139 - 2²⁰ = 109961563 is a prime.

It is not a weakly prime, because it can be changed into another prime (111010129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55505069 + 55505070.

It is an arithmetic number, because the mean of its divisors is an integer number (55505070).

Almost surely, 2^111010139 is an apocalyptic number.

111010139 is a deficient number, since it is larger than the sum of its proper divisors (1).

111010139 is an equidigital number, since it uses as much as digits as its factorization.

111010139 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 17.

The square root of 111010139 is about 10536.1349175113. The cubic root of 111010139 is about 480.6041856502.

The spelling of 111010139 in words is "one hundred eleven million, ten thousand, one hundred thirty-nine".