2221304031201 has 4 divisors (see below), whose sum is σ = 2961738708272. Its totient is φ = 1480869354132.

The previous prime is 2221304031181. The next prime is 2221304031203. The reversal of 2221304031201 is 1021304031222.

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 2221304031201 - 2¹⁰ = 2221304030177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2221304031203) 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, 370217338531 + ... + 370217338536.

It is an arithmetic number, because the mean of its divisors is an integer number (740434677068).

Almost surely, 2^{2221304031201} is an apocalyptic number.

It is an amenable number.

2221304031201 is a deficient number, since it is larger than the sum of its proper divisors (740434677071).

2221304031201 is an equidigital number, since it uses as much as digits as its factorization.

2221304031201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 740434677070.

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

Adding to 2221304031201 its sum of digits (21), we get a palindrome (2221304031222).

Adding to 2221304031201 its reverse (1021304031222), we get a palindrome (3242608062423).

The spelling of 2221304031201 in words is "two trillion, two hundred twenty-one billion, three hundred four million, thirty-one thousand, two hundred one".