210211210211020 has 48 divisors (see below), whose sum is σ = 450837872690688. Its totient is φ = 82295102859200.

The previous prime is 210211210210999. The next prime is 210211210211033. The reversal of 210211210211020 is 20112012112012.

It is a super-2 number, since 2×210211210211020² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 210211210210985 and 210211210211003.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 403641795 + ... + 404162245.

It is an arithmetic number, because the mean of its divisors is an integer number (9392455681056).

Almost surely, 2^{210211210211020} is an apocalyptic number.

210211210211020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210211210211020 is an abundant number, since it is smaller than the sum of its proper divisors (240626662479668).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

210211210211020 is a wasteful number, since it uses less digits than its factorization.

210211210211020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 950190 (or 950188 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 210211210211020 its reverse (20112012112012), we get a palindrome (230323222323032).

The spelling of 210211210211020 in words is "two hundred ten trillion, two hundred eleven billion, two hundred ten million, two hundred eleven thousand, twenty".