220300031121 has 8 divisors (see below), whose sum is σ = 295492257984. Its totient is φ = 145987245840.

The previous prime is 220300031111. The next prime is 220300031123. The reversal of 220300031121 is 121130003022.

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

It is not a de Polignac number, because 220300031121 - 2²⁶ = 220232922257 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 220300031121.

It is not an unprimeable number, because it can be changed into a prime (220300031123) 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, 219859810 + ... + 219860811.

It is an arithmetic number, because the mean of its divisors is an integer number (36936532248).

Almost surely, 2^220300031121 is an apocalyptic number.

It is an amenable number.

220300031121 is a deficient number, since it is larger than the sum of its proper divisors (75192226863).

220300031121 is a wasteful number, since it uses less digits than its factorization.

220300031121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 439720791.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 220300031121 its reverse (121130003022), we get a palindrome (341430034143).

The spelling of 220300031121 in words is "two hundred twenty billion, three hundred million, thirty-one thousand, one hundred twenty-one".