100211012211021 has 16 divisors (see below), whose sum is σ = 137226249009600. Its totient is φ = 65001567875328.

The previous prime is 100211012210989. The next prime is 100211012211067. The reversal of 100211012211021 is 120112210112001.

It is a happy number.

It is not a de Polignac number, because 100211012211021 - 2⁵ = 100211012210989 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100211012211221) 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, 52450165 + ... + 54327173.

It is an arithmetic number, because the mean of its divisors is an integer number (8576640563100).

Almost surely, 2^{100211012211021} is an apocalyptic number.

It is an amenable number.

100211012211021 is a deficient number, since it is larger than the sum of its proper divisors (37015236798579).

100211012211021 is a wasteful number, since it uses less digits than its factorization.

100211012211021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2358028.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 100211012211021 its reverse (120112210112001), we get a palindrome (220323222323022).

The spelling of 100211012211021 in words is "one hundred trillion, two hundred eleven billion, twelve million, two hundred eleven thousand, twenty-one".