1000111111100 has 36 divisors (see below), whose sum is σ = 2284464331800. Its totient is φ = 378989472960.

The previous prime is 1000111111067. The next prime is 1000111111141. The reversal of 1000111111100 is 11111110001.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 263185235 + ... + 263189034.

It is an arithmetic number, because the mean of its divisors is an integer number (63457342550).

Almost surely, 2^{1000111111100} is an apocalyptic number.

1000111111100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1000111111100 is an abundant number, since it is smaller than the sum of its proper divisors (1284353220700).

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

1000111111100 is a wasteful number, since it uses less digits than its factorization.

1000111111100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 526374302 (or 526374295 counting only the distinct ones).

The product of its (nonzero) digits is 1, while the sum is 8.

Adding to 1000111111100 its reverse (11111110001), we get a palindrome (1011222221101).

The spelling of 1000111111100 in words is "one trillion, one hundred eleven million, one hundred eleven thousand, one hundred".