210202430222021 has 48 divisors (see below), whose sum is σ = 224040801600000. Its totient is φ = 197179224102432.

The previous prime is 210202430222017. The next prime is 210202430222033. The reversal of 210202430222021 is 120222034202012.

It is not a de Polignac number, because 210202430222021 - 2² = 210202430222017 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210202430222221) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 31853676080 + ... + 31853682678.

It is an arithmetic number, because the mean of its divisors is an integer number (4667516700000).

Almost surely, 2^{210202430222021} is an apocalyptic number.

It is an amenable number.

210202430222021 is a deficient number, since it is larger than the sum of its proper divisors (13838371377979).

210202430222021 is a wasteful number, since it uses less digits than its factorization.

210202430222021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8374 (or 8355 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 210202430222021 its reverse (120222034202012), we get a palindrome (330424464424033).

The spelling of 210202430222021 in words is "two hundred ten trillion, two hundred two billion, four hundred thirty million, two hundred twenty-two thousand, twenty-one".