202110000211021 has 32 divisors (see below), whose sum is σ = 252202406128640. Its totient is φ = 158106741174144.

The previous prime is 202110000210997. The next prime is 202110000211073. The reversal of 202110000211021 is 120112000011202.

202110000211021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 202110000211021 - 2⁷ = 202110000210893 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 202110000210992 and 202110000211010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202110000211421) 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, 241637955 + ... + 242472928.

It is an arithmetic number, because the mean of its divisors is an integer number (7881325191520).

Almost surely, 2^{202110000211021} is an apocalyptic number.

It is an amenable number.

202110000211021 is a deficient number, since it is larger than the sum of its proper divisors (50092405917619).

202110000211021 is a wasteful number, since it uses less digits than its factorization.

202110000211021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 484111025.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 202110000211021 its reverse (120112000011202), we get a palindrome (322222000222223).

The spelling of 202110000211021 in words is "two hundred two trillion, one hundred ten billion, two hundred eleven thousand, twenty-one".