1111200023100 has 36 divisors (see below), whose sum is σ = 3215072067704. Its totient is φ = 296320006080.

The previous prime is 1111200023093. The next prime is 1111200023111. The reversal of 1111200023100 is 13200021111.

It is a super-2 number, since 2×1111200023100² (a number of 25 digits) contains 22 as substring.

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

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, 1851999739 + ... + 1852000338.

Almost surely, 2^{1111200023100} is an apocalyptic number.

1111200023100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1111200023100 is an abundant number, since it is smaller than the sum of its proper divisors (2103872044604).

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

1111200023100 is a wasteful number, since it uses less digits than its factorization.

1111200023100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3704000094 (or 3704000087 counting only the distinct ones).

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

Adding to 1111200023100 its reverse (13200021111), we get a palindrome (1124400044211).

The spelling of 1111200023100 in words is "one trillion, one hundred eleven billion, two hundred million, twenty-three thousand, one hundred".