210322231021 has 32 divisors (see below), whose sum is σ = 256044096000. Its totient is φ = 172366508160.

The previous prime is 210322231003. The next prime is 210322231037. The reversal of 210322231021 is 120132223012.

It is not a de Polignac number, because 210322231021 - 2⁷ = 210322230893 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 210322231021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210322231061) 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, 27931185 + ... + 27938713.

It is an arithmetic number, because the mean of its divisors is an integer number (8001378000).

Almost surely, 2^210322231021 is an apocalyptic number.

It is an amenable number.

210322231021 is a deficient number, since it is larger than the sum of its proper divisors (45721864979).

210322231021 is an equidigital number, since it uses as much as digits as its factorization.

210322231021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11114 (or 11100 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 210322231021 its reverse (120132223012), we get a palindrome (330454454033).

The spelling of 210322231021 in words is "two hundred ten billion, three hundred twenty-two million, two hundred thirty-one thousand, twenty-one".