101231999999 has 8 divisors (see below), whose sum is σ = 109486973232. Its totient is φ = 93043869120.

The previous prime is 101231999989. The next prime is 101232000017. The reversal of 101231999999 is 999999132101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 101231999999 - 2²⁴ = 101215222783 is a prime.

101231999999 is a modest number, since divided by 999999 gives 101231 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101231999909) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16707437 + ... + 16713494.

It is an arithmetic number, because the mean of its divisors is an integer number (13685871654).

Almost surely, 2^101231999999 is an apocalyptic number.

101231999999 is a deficient number, since it is larger than the sum of its proper divisors (8254973233).

101231999999 is a wasteful number, since it uses less digits than its factorization.

101231999999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33421177.

The product of its (nonzero) digits is 3188646, while the sum is 62.

The spelling of 101231999999 in words is "one hundred one billion, two hundred thirty-one million, nine hundred ninety-nine thousand, nine hundred ninety-nine".