100021311223213 has 16 divisors (see below), whose sum is σ = 102765497795136. Its totient is φ = 97296494440320.

The previous prime is 100021311223177. The next prime is 100021311223261. The reversal of 100021311223213 is 312322113120001.

It is a cyclic number.

It is not a de Polignac number, because 100021311223213 - 2⁴¹ = 97822287967661 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100021311221213) 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, 20871895 + ... + 25212667.

It is an arithmetic number, because the mean of its divisors is an integer number (6422843612196).

Almost surely, 2^{100021311223213} is an apocalyptic number.

It is an amenable number.

100021311223213 is a deficient number, since it is larger than the sum of its proper divisors (2744186571923).

100021311223213 is a wasteful number, since it uses less digits than its factorization.

100021311223213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4343004.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 100021311223213 its reverse (312322113120001), we get a palindrome (412343424343214).

The spelling of 100021311223213 in words is "one hundred trillion, twenty-one billion, three hundred eleven million, two hundred twenty-three thousand, two hundred thirteen".