2221203100313 has 4 divisors (see below), whose sum is σ = 2221553288448. Its totient is φ = 2220852912180.

The previous prime is 2221203100271. The next prime is 2221203100331. The reversal of 2221203100313 is 3130013021222.

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 2221203100313 - 2⁴⁰ = 1121691472537 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2221203100373) 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, 175084553 + ... + 175097238.

It is an arithmetic number, because the mean of its divisors is an integer number (555388322112).

Almost surely, 2^{2221203100313} is an apocalyptic number.

It is an amenable number.

2221203100313 is a deficient number, since it is larger than the sum of its proper divisors (350188135).

2221203100313 is an equidigital number, since it uses as much as digits as its factorization.

2221203100313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 350188134.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 2221203100313 its reverse (3130013021222), we get a palindrome (5351216121535).

The spelling of 2221203100313 in words is "two trillion, two hundred twenty-one billion, two hundred three million, one hundred thousand, three hundred thirteen".