100112001203220 has 48 divisors (see below), whose sum is σ = 280584962306880. Its totient is φ = 26670689945856.

The previous prime is 100112001203219. The next prime is 100112001203317. The reversal of 100112001203220 is 22302100211001.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 100112001203220.

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, 807553390 + ... + 807677349.

It is an arithmetic number, because the mean of its divisors is an integer number (5845520048060).

Almost surely, 2^{100112001203220} is an apocalyptic number.

100112001203220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100112001203220 is an abundant number, since it is smaller than the sum of its proper divisors (180472961103660).

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

100112001203220 is a wasteful number, since it uses less digits than its factorization.

100112001203220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1615231784 (or 1615231782 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 100112001203220 its reverse (22302100211001), we get a palindrome (122414101414221).

The spelling of 100112001203220 in words is "one hundred trillion, one hundred twelve billion, one million, two hundred three thousand, two hundred twenty".