11111011202100 has 72 divisors (see below), whose sum is σ = 32154542637280. Its totient is φ = 2962320324480.

The previous prime is 11111011202089. The next prime is 11111011202113. The reversal of 11111011202100 is 120211011111.

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 23 ways as a sum of consecutive naturals, for example, 2403670 + ... + 5291469.

Almost surely, 2^{11111011202100} is an apocalyptic number.

11111011202100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11111011202100 is an abundant number, since it is smaller than the sum of its proper divisors (21043531435180).

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

11111011202100 is a wasteful number, since it uses less digits than its factorization.

11111011202100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7699969 (or 7699962 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 12.

Adding to 11111011202100 its reverse (120211011111), we get a palindrome (11231222213211).

The spelling of 11111011202100 in words is "eleven trillion, one hundred eleven billion, eleven million, two hundred two thousand, one hundred".