101711139 has 4 divisors (see below), whose sum is σ = 135614856. Its totient is φ = 67807424.

The previous prime is 101711117. The next prime is 101711167. The reversal of 101711139 is 931117101.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 931117101 = 3 ⋅310372367.

It is a cyclic number.

It is not a de Polignac number, because 101711139 - 2¹⁹ = 101186851 is a prime.

It is not an unprimeable number, because it can be changed into a prime (101711179) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16951854 + ... + 16951859.

It is an arithmetic number, because the mean of its divisors is an integer number (33903714).

Almost surely, 2^101711139 is an apocalyptic number.

101711139 is a deficient number, since it is larger than the sum of its proper divisors (33903717).

101711139 is an equidigital number, since it uses as much as digits as its factorization.

101711139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33903716.

The product of its (nonzero) digits is 189, while the sum is 24.

The square root of 101711139 is about 10085.1940487033. The cubic root of 101711139 is about 466.7913925686.

The spelling of 101711139 in words is "one hundred one million, seven hundred eleven thousand, one hundred thirty-nine".