1000000011100 has 36 divisors (see below), whose sum is σ = 2202388098904. Its totient is φ = 394029852480.

The previous prime is 1000000011091. The next prime is 1000000011103. The reversal of 1000000011100 is 11100000001.

It is a Harshad number since it is a multiple of its sum of digits (4).

1000000011100 is a modest number, since divided by 11100 gives 1000 as remainder.

It is a self number, because there is not a number n which added to its sum of digits gives 1000000011100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000000011103) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 74620167 + ... + 74633566.

Almost surely, 2^{1000000011100} is an apocalyptic number.

1000000011100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1000000011100 is an abundant number, since it is smaller than the sum of its proper divisors (1202388087804).

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

1000000011100 is a wasteful number, since it uses less digits than its factorization.

1000000011100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149253814 (or 149253807 counting only the distinct ones).

The product of its (nonzero) digits is 1, while the sum is 4.

Adding to 1000000011100 its reverse (11100000001), we get a palindrome (1011100011101).

The spelling of 1000000011100 in words is "one trillion, eleven thousand, one hundred".