221412311333213 has 48 divisors (see below), whose sum is σ = 302860357922304. Its totient is φ = 159115024736640.

The previous prime is 221412311333177. The next prime is 221412311333299. The reversal of 221412311333213 is 312333113214122.

It is a happy number.

It is not a de Polignac number, because 221412311333213 - 2⁴⁴ = 203820125288797 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 221412311333213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221412311353213) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6317645 + ... + 21971282.

It is an arithmetic number, because the mean of its divisors is an integer number (6309590790048).

Almost surely, 2^{221412311333213} is an apocalyptic number.

It is an amenable number.

221412311333213 is a deficient number, since it is larger than the sum of its proper divisors (81448046589091).

221412311333213 is a wasteful number, since it uses less digits than its factorization.

221412311333213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28290082 (or 28290075 counting only the distinct ones).

The product of its digits is 15552, while the sum is 32.

Adding to 221412311333213 its reverse (312333113214122), we get a palindrome (533745424547335).

The spelling of 221412311333213 in words is "two hundred twenty-one trillion, four hundred twelve billion, three hundred eleven million, three hundred thirty-three thousand, two hundred thirteen".