221130313223 has 8 divisors (see below), whose sum is σ = 222482961792. Its totient is φ = 219780985336.

The previous prime is 221130313171. The next prime is 221130313253. The reversal of 221130313223 is 322313031122.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 221130313223 - 2¹⁰ = 221130312199 is a prime.

It is a super-2 number, since 2×221130313223² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221130313253) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 696515 + ... + 963012.

It is an arithmetic number, because the mean of its divisors is an integer number (27810370224).

Almost surely, 2^221130313223 is an apocalyptic number.

221130313223 is a deficient number, since it is larger than the sum of its proper divisors (1352648569).

221130313223 is a wasteful number, since it uses less digits than its factorization.

221130313223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1660341.

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

Adding to 221130313223 its reverse (322313031122), we get a palindrome (543443344345).

The spelling of 221130313223 in words is "two hundred twenty-one billion, one hundred thirty million, three hundred thirteen thousand, two hundred twenty-three".