220231121130 has 48 divisors (see below), whose sum is σ = 593808362784. Its totient is φ = 58728298320.

The previous prime is 220231121101. The next prime is 220231121137. The reversal of 220231121130 is 31121132022.

220231121130 is a `hidden beast` number, since 2 + 202 + 311 + 21 + 130 = 666.

220231121130 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 (18).

It is not an unprimeable number, because it can be changed into a prime (220231121137) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 45312616 + ... + 45317475.

It is an arithmetic number, because the mean of its divisors is an integer number (12371007558).

Almost surely, 2^220231121130 is an apocalyptic number.

220231121130 is an abundant number, since it is smaller than the sum of its proper divisors (373577241654).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

220231121130 is an equidigital number, since it uses as much as digits as its factorization.

220231121130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90630113 (or 90630101 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 220231121130 its reverse (31121132022), we get a palindrome (251352253152).

The spelling of 220231121130 in words is "two hundred twenty billion, two hundred thirty-one million, one hundred twenty-one thousand, one hundred thirty".