1112103012020 has 96 divisors (see below), whose sum is σ = 3135663933696. Its totient is φ = 319965696000.

The previous prime is 1112103012019. The next prime is 1112103012023. The reversal of 1112103012020 is 202103012111.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 1112103011986 and 1112103012004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1112103012023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 27754781 + ... + 27794820.

It is an arithmetic number, because the mean of its divisors is an integer number (32663165976).

Almost surely, 2^{1112103012020} is an apocalyptic number.

1112103012020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1112103012020 is an abundant number, since it is smaller than the sum of its proper divisors (2023560921676).

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

1112103012020 is a wasteful number, since it uses less digits than its factorization.

1112103012020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55549641 (or 55549639 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 1112103012020 its reverse (202103012111), we get a palindrome (1314206024131).

Subtracting from 1112103012020 its reverse (202103012111), we obtain a palindrome (909999999909).

The spelling of 1112103012020 in words is "one trillion, one hundred twelve billion, one hundred three million, twelve thousand, twenty".