220310223121 has 4 divisors (see below), whose sum is σ = 227417004544. Its totient is φ = 213203441700.

The previous prime is 220310223109. The next prime is 220310223151. The reversal of 220310223121 is 121322013022.

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 220310223121 - 2³³ = 211720288529 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (220310223151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3553390665 + ... + 3553390726.

It is an arithmetic number, because the mean of its divisors is an integer number (56854251136).

Almost surely, 2^220310223121 is an apocalyptic number.

It is an amenable number.

220310223121 is a deficient number, since it is larger than the sum of its proper divisors (7106781423).

220310223121 is an equidigital number, since it uses as much as digits as its factorization.

220310223121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7106781422.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 220310223121 its reverse (121322013022), we get a palindrome (341632236143).

The spelling of 220310223121 in words is "two hundred twenty billion, three hundred ten million, two hundred twenty-three thousand, one hundred twenty-one".