100220200120 has 16 divisors (see below), whose sum is σ = 225495450360. Its totient is φ = 40088080032.

The previous prime is 100220200117. The next prime is 100220200141. The reversal of 100220200120 is 21002022001.

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

It is a junction number, because it is equal to n+sod(n) for n = 100220200097 and 100220200106.

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, 1252752462 + ... + 1252752541.

Almost surely, 2^100220200120 is an apocalyptic number.

100220200120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100220200120 is an abundant number, since it is smaller than the sum of its proper divisors (125275250240).

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

100220200120 is a wasteful number, since it uses less digits than its factorization.

100220200120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2505505014 (or 2505505010 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 100220200120 its reverse (21002022001), we get a palindrome (121222222121).

The spelling of 100220200120 in words is "one hundred billion, two hundred twenty million, two hundred thousand, one hundred twenty".