1113021200100 has 72 divisors (see below), whose sum is σ = 3409773198048. Its totient is φ = 279346496000.

The previous prime is 1113021200087. The next prime is 1113021200113. The reversal of 1113021200100 is 10021203111.

It is an interprime number because it is at equal distance from previous prime (1113021200087) and next prime (1113021200113).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 109114626 + ... + 109124825.

It is an arithmetic number, because the mean of its divisors is an integer number (47357961084).

Almost surely, 2^{1113021200100} is an apocalyptic number.

1113021200100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1113021200100 is an abundant number, since it is smaller than the sum of its proper divisors (2296751997948).

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

1113021200100 is a wasteful number, since it uses less digits than its factorization.

1113021200100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218239485 (or 218239478 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 12.

Adding to 1113021200100 its reverse (10021203111), we get a palindrome (1123042403211).

The spelling of 1113021200100 in words is "one trillion, one hundred thirteen billion, twenty-one million, two hundred thousand, one hundred".