100202012211021 has 16 divisors (see below), whose sum is σ = 161670473483904. Its totient is φ = 53890157827584.

The previous prime is 100202012210947. The next prime is 100202012211071. The reversal of 100202012211021 is 120112210202001.

It is not a de Polignac number, because 100202012211021 - 2⁷ = 100202012210893 is a prime.

It is a super-2 number, since 2×100202012211021² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100202012211071) 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, 140338952320 + ... + 140338953033.

It is an arithmetic number, because the mean of its divisors is an integer number (10104404592744).

Almost surely, 2^{100202012211021} is an apocalyptic number.

It is an amenable number.

100202012211021 is a deficient number, since it is larger than the sum of its proper divisors (61468461272883).

100202012211021 is a wasteful number, since it uses less digits than its factorization.

100202012211021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280677905380.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 100202012211021 its reverse (120112210202001), we get a palindrome (220314222413022).

The spelling of 100202012211021 in words is "one hundred trillion, two hundred two billion, twelve million, two hundred eleven thousand, twenty-one".