231120112102220 has 48 divisors (see below), whose sum is σ = 531001031113728. Its totient is φ = 83801476301760.

The previous prime is 231120112102219. The next prime is 231120112102223. The reversal of 231120112102220 is 22201211021132.

231120112102220 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 (20).

It is a junction number, because it is equal to n+sod(n) for n = 231120112102192 and 231120112102201.

It is not an unprimeable number, because it can be changed into a prime (231120112102223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1513678652 + ... + 1513831331.

It is an arithmetic number, because the mean of its divisors is an integer number (11062521481536).

Almost surely, 2^{231120112102220} is an apocalyptic number.

231120112102220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

231120112102220 is an abundant number, since it is smaller than the sum of its proper divisors (299880919011508).

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

231120112102220 is a wasteful number, since it uses less digits than its factorization.

231120112102220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3027510350 (or 3027510348 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 231120112102220 its reverse (22201211021132), we get a palindrome (253321323123352).

The spelling of 231120112102220 in words is "two hundred thirty-one trillion, one hundred twenty billion, one hundred twelve million, one hundred two thousand, two hundred twenty".