1112112020 has 24 divisors (see below), whose sum is σ = 2363576544. Its totient is φ = 439484576.

The previous prime is 1112112019. The next prime is 1112112037. The reversal of 1112112020 is 202112111.

It is a junction number, because it is equal to n+sod(n) for n = 1112111992 and 1112112010.

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, 333314 + ... + 336633.

It is an arithmetic number, because the mean of its divisors is an integer number (98482356).

Almost surely, 2^1112112020 is an apocalyptic number.

1112112020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1112112020 is an abundant number, since it is smaller than the sum of its proper divisors (1251464524).

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

1112112020 is a wasteful number, since it uses less digits than its factorization.

1112112020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 670039 (or 670037 counting only the distinct ones).

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

The square root of 1112112020 is about 33348.3435870509. The cubic root of 1112112020 is about 1036.0550809750.

Adding to 1112112020 its reverse (202112111), we get a palindrome (1314224131).

Subtracting from 1112112020 its reverse (202112111), we obtain a palindrome (909999909).

The spelling of 1112112020 in words is "one billion, one hundred twelve million, one hundred twelve thousand, twenty".