100111122201100 has 18 divisors (see below), whose sum is σ = 217241135176604. Its totient is φ = 40044448880400.

The previous prime is 100111122201017. The next prime is 100111122201119. The reversal of 100111122201100 is 1102221111001.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 500555610906 + ... + 500555611105.

Almost surely, 2^{100111122201100} is an apocalyptic number.

100111122201100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100111122201100 is an abundant number, since it is smaller than the sum of its proper divisors (117130012975504).

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

100111122201100 is a wasteful number, since it uses less digits than its factorization.

100111122201100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1001111222025 (or 1001111222018 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 100111122201100 its reverse (1102221111001), we get a palindrome (101213343312101).

The spelling of 100111122201100 in words is "one hundred trillion, one hundred eleven billion, one hundred twenty-two million, two hundred one thousand, one hundred".