112100022000020 has 24 divisors (see below), whose sum is σ = 235684737071784. Its totient is φ = 44787686729216.

The previous prime is 112100022000019. The next prime is 112100022000121. The reversal of 112100022000020 is 20000220001211.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 17567532180496 + 94532489819524 = 4191364^2 + 9722782^2 .

It is a junction number, because it is equal to n+sod(n) for n = 112100021999965 and 112100022000010.

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, 3270111857 + ... + 3270146136.

It is an arithmetic number, because the mean of its divisors is an integer number (9820197377991).

Almost surely, 2^{112100022000020} is an apocalyptic number.

112100022000020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

112100022000020 is an abundant number, since it is smaller than the sum of its proper divisors (123584715071764).

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

112100022000020 is a wasteful number, since it uses less digits than its factorization.

112100022000020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6540258859 (or 6540258857 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 112100022000020 its reverse (20000220001211), we get a palindrome (132100242001231).

The spelling of 112100022000020 in words is "one hundred twelve trillion, one hundred billion, twenty-two million, twenty", and thus it is an aban number.