100201111100 has 36 divisors (see below), whose sum is σ = 218004213504. Its totient is φ = 39975780480.

The previous prime is 100201111097. The next prime is 100201111121. The reversal of 100201111100 is 1111102001.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1269809 + ... + 1346408.

Almost surely, 2^100201111100 is an apocalyptic number.

100201111100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100201111100 is an abundant number, since it is smaller than the sum of its proper divisors (117803102404).

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

100201111100 is a wasteful number, since it uses less digits than its factorization.

100201111100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2616614 (or 2616607 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 8.

Adding to 100201111100 its reverse (1111102001), we get a palindrome (101312213101).

Subtracting from 100201111100 its reverse (1111102001), we obtain a palindrome (99090009099).

The spelling of 100201111100 in words is "one hundred billion, two hundred one million, one hundred eleven thousand, one hundred".