221002202112213 has 32 divisors (see below), whose sum is σ = 306693467845632. Its totient is φ = 141445772899200.

The previous prime is 221002202112137. The next prime is 221002202112217. The reversal of 221002202112213 is 312211202200122.

It is not a de Polignac number, because 221002202112213 - 2⁹ = 221002202111701 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 221002202112213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221002202112217) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19626295 + ... + 28761012.

It is an arithmetic number, because the mean of its divisors is an integer number (9584170870176).

Almost surely, 2^{221002202112213} is an apocalyptic number.

It is an amenable number.

221002202112213 is a deficient number, since it is larger than the sum of its proper divisors (85691265733419).

221002202112213 is a wasteful number, since it uses less digits than its factorization.

221002202112213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48387945.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 221002202112213 its reverse (312211202200122), we get a palindrome (533213404312335).

The spelling of 221002202112213 in words is "two hundred twenty-one trillion, two billion, two hundred two million, one hundred twelve thousand, two hundred thirteen".