1111112101100 has 36 divisors (see below), whose sum is σ = 2412775265208. Its totient is φ = 444138480000.

The previous prime is 1111112101079. The next prime is 1111112101199. The reversal of 1111112101100 is 11012111111.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3683681 + ... + 3973880.

Almost surely, 2^{1111112101100} is an apocalyptic number.

1111112101100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1111112101100 is an abundant number, since it is smaller than the sum of its proper divisors (1301663164108).

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

1111112101100 is a wasteful number, since it uses less digits than its factorization.

1111112101100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7659026 (or 7659019 counting only the distinct ones).

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

Adding to 1111112101100 its reverse (11012111111), we get a palindrome (1122124212211).

The spelling of 1111112101100 in words is "one trillion, one hundred eleven billion, one hundred twelve million, one hundred one thousand, one hundred".