1120112020020 has 144 divisors (see below), whose sum is σ = 3684488266368. Its totient is φ = 253490630400.

The previous prime is 1120112019973. The next prime is 1120112020031. The reversal of 1120112020020 is 200202110211.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 1120112019978 and 1120112020005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1589152 + ... + 2183031.

It is an arithmetic number, because the mean of its divisors is an integer number (25586724072).

Almost surely, 2^{1120112020020} is an apocalyptic number.

1120112020020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1120112020020 is an abundant number, since it is smaller than the sum of its proper divisors (2564376246348).

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

1120112020020 is a wasteful number, since it uses less digits than its factorization.

1120112020020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3772310 (or 3772301 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 1120112020020 its reverse (200202110211), we get a palindrome (1320314130231).

The spelling of 1120112020020 in words is "one trillion, one hundred twenty billion, one hundred twelve million, twenty thousand, twenty".