100231001421 has 32 divisors (see below), whose sum is σ = 141207494400. Its totient is φ = 63113723904.

The previous prime is 100231001363. The next prime is 100231001501. The reversal of 100231001421 is 124100132001.

It is not a de Polignac number, because 100231001421 - 2¹³ = 100230993229 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 100231001421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100231001621) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2988481 + ... + 3021833.

It is an arithmetic number, because the mean of its divisors is an integer number (4412734200).

Almost surely, 2^100231001421 is an apocalyptic number.

It is an amenable number.

100231001421 is a deficient number, since it is larger than the sum of its proper divisors (40976492979).

100231001421 is a wasteful number, since it uses less digits than its factorization.

100231001421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33925.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 100231001421 its reverse (124100132001), we get a palindrome (224331133422).

The spelling of 100231001421 in words is "one hundred billion, two hundred thirty-one million, one thousand, four hundred twenty-one".