101421132999 has 16 divisors (see below), whose sum is σ = 137820828672. Its totient is φ = 66318525728.

The previous prime is 101421132959. The next prime is 101421133007. The reversal of 101421132999 is 999231124101.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 101421132999 - 2³¹ = 99273649351 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 101421132999.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101421132959) 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, 448102 + ... + 635324.

It is an arithmetic number, because the mean of its divisors is an integer number (8613801792).

Almost surely, 2^101421132999 is an apocalyptic number.

101421132999 is a deficient number, since it is larger than the sum of its proper divisors (36399695673).

101421132999 is a wasteful number, since it uses less digits than its factorization.

101421132999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190686.

The product of its (nonzero) digits is 34992, while the sum is 42.

The spelling of 101421132999 in words is "one hundred one billion, four hundred twenty-one million, one hundred thirty-two thousand, nine hundred ninety-nine".