101856935409231 has 16 divisors (see below), whose sum is σ = 141721838290944. Its totient is φ = 64948654783584.

The previous prime is 101856935409199. The next prime is 101856935409233. The reversal of 101856935409231 is 132904539658101.

It is not a de Polignac number, because 101856935409231 - 2⁵ = 101856935409199 is a prime.

It is a super-2 number, since 2×101856935409231² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101856935409233) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39583231 + ... + 42077856.

It is an arithmetic number, because the mean of its divisors is an integer number (8857614893184).

Almost surely, 2^{101856935409231} is an apocalyptic number.

101856935409231 is a deficient number, since it is larger than the sum of its proper divisors (39864902881713).

101856935409231 is a wasteful number, since it uses less digits than its factorization.

101856935409231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81679190.

The product of its (nonzero) digits is 6998400, while the sum is 57.

The spelling of 101856935409231 in words is "one hundred one trillion, eight hundred fifty-six billion, nine hundred thirty-five million, four hundred nine thousand, two hundred thirty-one".