21231012003101 has 8 divisors (see below), whose sum is σ = 21262345977024. Its totient is φ = 21199678758720.

The previous prime is 21231012003073. The next prime is 21231012003107. The reversal of 21231012003101 is 10130021013212.

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 21231012003101 - 2²² = 21231007808797 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 21231012003101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21231012003107) 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, 93259925 + ... + 93487301.

It is an arithmetic number, because the mean of its divisors is an integer number (2657793247128).

Almost surely, 2^{21231012003101} is an apocalyptic number.

It is an amenable number.

21231012003101 is a deficient number, since it is larger than the sum of its proper divisors (31333973923).

21231012003101 is a wasteful number, since it uses less digits than its factorization.

21231012003101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 364771.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 21231012003101 its reverse (10130021013212), we get a palindrome (31361033016313).

The spelling of 21231012003101 in words is "twenty-one trillion, two hundred thirty-one billion, twelve million, three thousand, one hundred one".