3122321220001 has 4 divisors (see below), whose sum is σ = 3188753586432. Its totient is φ = 3055888853572.

The previous prime is 3122321219987. The next prime is 3122321220047. The reversal of 3122321220001 is 1000221232213.

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 a cyclic number.

It is not a de Polignac number, because 3122321220001 - 2¹⁵ = 3122321187233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3122321221001) 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, 33216183145 + ... + 33216183238.

It is an arithmetic number, because the mean of its divisors is an integer number (797188396608).

Almost surely, 2^{3122321220001} is an apocalyptic number.

It is an amenable number.

3122321220001 is a deficient number, since it is larger than the sum of its proper divisors (66432366431).

3122321220001 is an equidigital number, since it uses as much as digits as its factorization.

3122321220001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66432366430.

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

Adding to 3122321220001 its reverse (1000221232213), we get a palindrome (4122542452214).

The spelling of 3122321220001 in words is "three trillion, one hundred twenty-two billion, three hundred twenty-one million, two hundred twenty thousand, one".