1023113121120 has 96 divisors (see below), whose sum is σ = 3580895939040. Its totient is φ = 272830164480.

The previous prime is 1023113121119. The next prime is 1023113121187. The reversal of 1023113121120 is 211213113201.

1023113121120 is a `hidden beast` number, since 1 + 0 + 231 + 1 + 312 + 1 + 120 = 666.

1023113121120 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1023113121093 and 1023113121102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 118411551 + ... + 118420190.

It is an arithmetic number, because the mean of its divisors is an integer number (37300999365).

Almost surely, 2^{1023113121120} is an apocalyptic number.

1023113121120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1023113121120 is an abundant number, since it is smaller than the sum of its proper divisors (2557782817920).

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

1023113121120 is a wasteful number, since it uses less digits than its factorization.

1023113121120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236831765 (or 236831751 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 1023113121120 its reverse (211213113201), we get a palindrome (1234326234321).

The spelling of 1023113121120 in words is "one trillion, twenty-three billion, one hundred thirteen million, one hundred twenty-one thousand, one hundred twenty".