112102120200020 has 36 divisors (see below), whose sum is σ = 236983814235252. Its totient is φ = 44543888640000.

The previous prime is 112102120199963. The next prime is 112102120200023. The reversal of 112102120200020 is 20002021201211.

It can be written as a sum of positive squares in 2 ways, for example, as 34332615235216 + 77769504964804 = 5859404^2 + 8818702^2 .

It is a junction number, because it is equal to n+sod(n) for n = 112102120199968 and 112102120200004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112102120200023) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 122457581 + ... + 123369620.

It is an arithmetic number, because the mean of its divisors is an integer number (6582883728757).

Almost surely, 2^{112102120200020} is an apocalyptic number.

112102120200020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

112102120200020 is an abundant number, since it is smaller than the sum of its proper divisors (124881694035232).

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

112102120200020 is a wasteful number, since it uses less digits than its factorization.

112102120200020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245827512 (or 245827359 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 112102120200020 its reverse (20002021201211), we get a palindrome (132104141401231).

The spelling of 112102120200020 in words is "one hundred twelve trillion, one hundred two billion, one hundred twenty million, two hundred thousand, twenty".