221231001300213 has 64 divisors (see below), whose sum is σ = 307924291584000. Its totient is φ = 141162310848000.

The previous prime is 221231001300079. The next prime is 221231001300251. The reversal of 221231001300213 is 312003100132122.

It is not a de Polignac number, because 221231001300213 - 2³² = 221226706332917 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 221231001300213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221231001300263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4903255468 + ... + 4903300586.

It is an arithmetic number, because the mean of its divisors is an integer number (4811317056000).

Almost surely, 2^{221231001300213} is an apocalyptic number.

It is an amenable number.

221231001300213 is a deficient number, since it is larger than the sum of its proper divisors (86693290283787).

221231001300213 is a wasteful number, since it uses less digits than its factorization.

221231001300213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46914.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 221231001300213 its reverse (312003100132122), we get a palindrome (533234101432335).

The spelling of 221231001300213 in words is "two hundred twenty-one trillion, two hundred thirty-one billion, one million, three hundred thousand, two hundred thirteen".