210200021221001 has 8 divisors (see below), whose sum is σ = 245131220083200. Its totient is φ = 180171446760564.

The previous prime is 210200021220941. The next prime is 210200021221007. The reversal of 210200021221001 is 100122120002012.

210200021221001 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 210200021221001 - 2¹⁴ = 210200021204617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (210200021221007) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 306414024761 + ... + 306414025446.

It is an arithmetic number, because the mean of its divisors is an integer number (30641402510400).

Almost surely, 2^{210200021221001} is an apocalyptic number.

It is an amenable number.

210200021221001 is a deficient number, since it is larger than the sum of its proper divisors (34931198862199).

210200021221001 is an frugal number, since it uses more digits than its factorization.

210200021221001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 612828050228 (or 612828050214 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 210200021221001 its reverse (100122120002012), we get a palindrome (310322141223013).

The spelling of 210200021221001 in words is "two hundred ten trillion, two hundred billion, twenty-one million, two hundred twenty-one thousand, one".