111331101200100 has 36 divisors (see below), whose sum is σ = 322117986139824. Its totient is φ = 29688293653280.

The previous prime is 111331101200083. The next prime is 111331101200149. The reversal of 111331101200100 is 1002101133111.

111331101200100 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×111331101200100² (a number of 29 digits) contains 22 as substring.

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 111331101200100.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 185551835034 + ... + 185551835633.

Almost surely, 2^{111331101200100} is an apocalyptic number.

111331101200100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111331101200100 is an abundant number, since it is smaller than the sum of its proper divisors (210786884939724).

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

111331101200100 is a wasteful number, since it uses less digits than its factorization.

111331101200100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 371103670684 (or 371103670677 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 15.

Adding to 111331101200100 its reverse (1002101133111), we get a palindrome (112333202333211).

The spelling of 111331101200100 in words is "one hundred eleven trillion, three hundred thirty-one billion, one hundred one million, two hundred thousand, one hundred".