221323023130 has 64 divisors (see below), whose sum is σ = 437322240000. Its totient is φ = 79977222720.

The previous prime is 221323023121. The next prime is 221323023157. The reversal of 221323023130 is 31320323122.

221323023130 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 39357499 + ... + 39363121.

It is an arithmetic number, because the mean of its divisors is an integer number (6833160000).

Almost surely, 2^221323023130 is an apocalyptic number.

221323023130 is a deficient number, since it is larger than the sum of its proper divisors (215999216870).

221323023130 is a wasteful number, since it uses less digits than its factorization.

221323023130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7819.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 221323023130 its reverse (31320323122), we get a palindrome (252643346252).

The spelling of 221323023130 in words is "two hundred twenty-one billion, three hundred twenty-three million, twenty-three thousand, one hundred thirty".