2210323212021 has 4 divisors (see below), whose sum is σ = 2947097616032. Its totient is φ = 1473548808012.

The previous prime is 2210323212017. The next prime is 2210323212043. The reversal of 2210323212021 is 1202123230122.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 2210323212021 - 2² = 2210323212017 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 (2210323212011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 368387202001 + ... + 368387202006.

It is an arithmetic number, because the mean of its divisors is an integer number (736774404008).

Almost surely, 2^{2210323212021} is an apocalyptic number.

It is an amenable number.

2210323212021 is a deficient number, since it is larger than the sum of its proper divisors (736774404011).

2210323212021 is an equidigital number, since it uses as much as digits as its factorization.

2210323212021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 736774404010.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 2210323212021 its reverse (1202123230122), we get a palindrome (3412446442143).

The spelling of 2210323212021 in words is "two trillion, two hundred ten billion, three hundred twenty-three million, two hundred twelve thousand, twenty-one".