221002332213 has 16 divisors (see below), whose sum is σ = 336003546816. Its totient is φ = 128001350400.

The previous prime is 221002332197. The next prime is 221002332277. The reversal of 221002332213 is 312233200122.

It is a happy number.

It is not a de Polignac number, because 221002332213 - 2⁴ = 221002332197 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 221002332213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221002332713) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 166667763 + ... + 166669088.

It is an arithmetic number, because the mean of its divisors is an integer number (21000221676).

Almost surely, 2^221002332213 is an apocalyptic number.

It is an amenable number.

221002332213 is a deficient number, since it is larger than the sum of its proper divisors (115001214603).

221002332213 is a wasteful number, since it uses less digits than its factorization.

221002332213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 333336884.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 221002332213 its reverse (312233200122), we get a palindrome (533235532335).

The spelling of 221002332213 in words is "two hundred twenty-one billion, two million, three hundred thirty-two thousand, two hundred thirteen".