11111021101100 has 18 divisors (see below), whose sum is σ = 24110915789604. Its totient is φ = 4444408440400.

The previous prime is 11111021101097. The next prime is 11111021101127. The reversal of 11111021101100 is 110112011111.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 55555105406 + ... + 55555105605.

Almost surely, 2^{11111021101100} is an apocalyptic number.

11111021101100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11111021101100 is an abundant number, since it is smaller than the sum of its proper divisors (12999894688504).

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

11111021101100 is a wasteful number, since it uses less digits than its factorization.

11111021101100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111110211025 (or 111110211018 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 11.

Adding to 11111021101100 its reverse (110112011111), we get a palindrome (11221133112211).

The spelling of 11111021101100 in words is "eleven trillion, one hundred eleven billion, twenty-one million, one hundred one thousand, one hundred".