11112000020 has 48 divisors (see below), whose sum is σ = 26954036928. Its totient is φ = 3803036160.

The previous prime is 11112000019. The next prime is 11112000041. The reversal of 11112000020 is 2000021111.

It is a junction number, because it is equal to n+sod(n) for n = 11111999971 and 11112000007.

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, 1481822 + ... + 1489301.

It is an arithmetic number, because the mean of its divisors is an integer number (561542436).

Almost surely, 2^11112000020 is an apocalyptic number.

11112000020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11112000020 is an abundant number, since it is smaller than the sum of its proper divisors (15842036908).

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

11112000020 is a wasteful number, since it uses less digits than its factorization.

11112000020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2971160 (or 2971158 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 11112000020 its reverse (2000021111), we get a palindrome (13112021131).

The spelling of 11112000020 in words is "eleven billion, one hundred twelve million, twenty", and thus it is an aban number.