221030120033213 has 4 divisors (see below), whose sum is σ = 221216329065600. Its totient is φ = 220843911000828.

The previous prime is 221030120033183. The next prime is 221030120033267. The reversal of 221030120033213 is 312330021030122.

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 221030120033213 - 2²⁰ = 221030118984637 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221030120033413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 93104514413 + ... + 93104516786.

It is an arithmetic number, because the mean of its divisors is an integer number (55304082266400).

Almost surely, 2^{221030120033213} is an apocalyptic number.

It is an amenable number.

221030120033213 is a deficient number, since it is larger than the sum of its proper divisors (186209032387).

221030120033213 is a wasteful number, since it uses less digits than its factorization.

221030120033213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186209032386.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 221030120033213 its reverse (312330021030122), we get a palindrome (533360141063335).

The spelling of 221030120033213 in words is "two hundred twenty-one trillion, thirty billion, one hundred twenty million, thirty-three thousand, two hundred thirteen".