1120100112020 has 24 divisors (see below), whose sum is σ = 2352890013768. Its totient is φ = 447910563200.

The previous prime is 1120100111989. The next prime is 1120100112031. The reversal of 1120100112020 is 202110010211.

It can be written as a sum of positive squares in 4 ways, for example, as 6513781264 + 1113586330756 = 80708^2 + 1055266^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1120100111992 and 1120100112010.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8021651 + ... + 8160090.

It is an arithmetic number, because the mean of its divisors is an integer number (98037083907).

Almost surely, 2^{1120100112020} is an apocalyptic number.

1120100112020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1120100112020 is an abundant number, since it is smaller than the sum of its proper divisors (1232789901748).

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

1120100112020 is a wasteful number, since it uses less digits than its factorization.

1120100112020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16185211 (or 16185209 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 1120100112020 its reverse (202110010211), we get a palindrome (1322210122231).

The spelling of 1120100112020 in words is "one trillion, one hundred twenty billion, one hundred million, one hundred twelve thousand, twenty".