111101100139 has 2 divisors, whose sum is σ = 111101100140. Its totient is φ = 111101100138.

The previous prime is 111101100067. The next prime is 111101100157. The reversal of 111101100139 is 931001101111.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 111101100139 - 2¹³ = 111101091947 is a prime.

It is a super-2 number, since 2×111101100139² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (111101100179) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55550550069 + 55550550070.

It is an arithmetic number, because the mean of its divisors is an integer number (55550550070).

Almost surely, 2^111101100139 is an apocalyptic number.

111101100139 is a deficient number, since it is larger than the sum of its proper divisors (1).

111101100139 is an equidigital number, since it uses as much as digits as its factorization.

111101100139 is an odious number, because the sum of its binary digits is odd.

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

The spelling of 111101100139 in words is "one hundred eleven billion, one hundred one million, one hundred thousand, one hundred thirty-nine".