2212202310321 has 4 divisors (see below), whose sum is σ = 2949603080432. Its totient is φ = 1474801540212.

The previous prime is 2212202310313. The next prime is 2212202310371. The reversal of 2212202310321 is 1230132022122.

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 2212202310321 - 2³ = 2212202310313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2212202310371) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 368700385051 + ... + 368700385056.

It is an arithmetic number, because the mean of its divisors is an integer number (737400770108).

Almost surely, 2^{2212202310321} is an apocalyptic number.

It is an amenable number.

2212202310321 is a deficient number, since it is larger than the sum of its proper divisors (737400770111).

2212202310321 is an equidigital number, since it uses as much as digits as its factorization.

2212202310321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 737400770110.

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

Adding to 2212202310321 its reverse (1230132022122), we get a palindrome (3442334332443).

The spelling of 2212202310321 in words is "two trillion, two hundred twelve billion, two hundred two million, three hundred ten thousand, three hundred twenty-one".