100203211120 has 20 divisors (see below), whose sum is σ = 232972466040. Its totient is φ = 40081284416.

The previous prime is 100203211079. The next prime is 100203211139. The reversal of 100203211120 is 21112302001.

It is a tau number, because it is divible by the number of its divisors (20).

It is a self number, because there is not a number n which added to its sum of digits gives 100203211120.

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, 626269990 + ... + 626270149.

It is an arithmetic number, because the mean of its divisors is an integer number (11648623302).

Almost surely, 2^100203211120 is an apocalyptic number.

100203211120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100203211120 is an abundant number, since it is smaller than the sum of its proper divisors (132769254920).

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

100203211120 is a wasteful number, since it uses less digits than its factorization.

100203211120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1252540152 (or 1252540146 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 100203211120 its reverse (21112302001), we get a palindrome (121315513121).

The spelling of 100203211120 in words is "one hundred billion, two hundred three million, two hundred eleven thousand, one hundred twenty".