100211201220021 has 32 divisors (see below), whose sum is σ = 134183881767936. Its totient is φ = 66523721040000.

The previous prime is 100211201219917. The next prime is 100211201220029. The reversal of 100211201220021 is 120022102112001.

It is not a de Polignac number, because 100211201220021 - 2³⁴ = 100194021350837 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100211201220029) 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, 1652774376 + ... + 1652835006.

It is an arithmetic number, because the mean of its divisors is an integer number (4193246305248).

Almost surely, 2^{100211201220021} is an apocalyptic number.

It is an amenable number.

100211201220021 is a deficient number, since it is larger than the sum of its proper divisors (33972680547915).

100211201220021 is a wasteful number, since it uses less digits than its factorization.

100211201220021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63593.

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

Adding to 100211201220021 its reverse (120022102112001), we get a palindrome (220233303332022).

The spelling of 100211201220021 in words is "one hundred trillion, two hundred eleven billion, two hundred one million, two hundred twenty thousand, twenty-one".