1112021200100 has 72 divisors (see below), whose sum is σ = 2421003462528. Its totient is φ = 443350195200.

The previous prime is 1112021200099. The next prime is 1112021200111. The reversal of 1112021200100 is 10021202111.

It is a super-2 number, since 2×1112021200100² (a number of 25 digits) contains 22 as substring.

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, 98516657 + ... + 98527943.

Almost surely, 2^{1112021200100} is an apocalyptic number.

1112021200100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1112021200100 is an abundant number, since it is smaller than the sum of its proper divisors (1308982262428).

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

1112021200100 is a wasteful number, since it uses less digits than its factorization.

1112021200100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14445 (or 14438 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 1112021200100 its reverse (10021202111), we get a palindrome (1122042402211).

The spelling of 1112021200100 in words is "one trillion, one hundred twelve billion, twenty-one million, two hundred thousand, one hundred".