101138711 has 4 divisors (see below), whose sum is σ = 102648312. Its totient is φ = 99629112.

The previous prime is 101138701. The next prime is 101138717. The reversal of 101138711 is 117831101.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 117831101 = 263 ⋅448027.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-101138711 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101138717) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 754700 + ... + 754833.

It is an arithmetic number, because the mean of its divisors is an integer number (25662078).

Almost surely, 2^101138711 is an apocalyptic number.

101138711 is a deficient number, since it is larger than the sum of its proper divisors (1509601).

101138711 is an equidigital number, since it uses as much as digits as its factorization.

101138711 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1509600.

The product of its (nonzero) digits is 168, while the sum is 23.

The square root of 101138711 is about 10056.7743834691. The cubic root of 101138711 is about 465.9140474627.

Adding to 101138711 its reverse (117831101), we get a palindrome (218969812).

The spelling of 101138711 in words is "one hundred one million, one hundred thirty-eight thousand, seven hundred eleven".