1100111099990 has 128 divisors (see below), whose sum is σ = 2403867110400. Its totient is φ = 354091046400.

The previous prime is 1100111099987. The next prime is 1100111100007. The reversal of 1100111099990 is 999901110011.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 79132040 + ... + 79145940.

It is an arithmetic number, because the mean of its divisors is an integer number (18780211800).

Almost surely, 2^{1100111099990} is an apocalyptic number.

1100111099990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1100111099990 is an abundant number, since it is smaller than the sum of its proper divisors (1303756010410).

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

1100111099990 is a wasteful number, since it uses less digits than its factorization.

1100111099990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14470.

The product of its (nonzero) digits is 6561, while the sum is 41.

The spelling of 1100111099990 in words is "one trillion, one hundred billion, one hundred eleven million, ninety-nine thousand, nine hundred ninety".