10001112200020 has 12 divisors (see below), whose sum is σ = 21002335620084. Its totient is φ = 4000444880000.

The previous prime is 10001112199957. The next prime is 10001112200063. The reversal of 10001112200020 is 2000221110001.

It can be written as a sum of positive squares in 2 ways, for example, as 5258316782404 + 4742795417616 = 2293102^2 + 2177796^2 .

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 250027804981 + ... + 250027805020.

It is an arithmetic number, because the mean of its divisors is an integer number (1750194635007).

Almost surely, 2^{10001112200020} is an apocalyptic number.

10001112200020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10001112200020 is an abundant number, since it is smaller than the sum of its proper divisors (11001223420064).

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

10001112200020 is a wasteful number, since it uses less digits than its factorization.

10001112200020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 500055610010 (or 500055610008 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 10001112200020 its reverse (2000221110001), we get a palindrome (12001333310021).

The spelling of 10001112200020 in words is "ten trillion, one billion, one hundred twelve million, two hundred thousand, twenty".