1000111100099 has 6 divisors (see below), whose sum is σ = 1055518917660. Its totient is φ = 947473673436.

The previous prime is 1000111100057. The next prime is 1000111100171. The reversal of 1000111100099 is 9900011110001.

It is a happy number.

It is not a de Polignac number, because 1000111100099 - 2¹⁶ = 1000111034563 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1000111100399) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1385195069 + ... + 1385195790.

It is an arithmetic number, because the mean of its divisors is an integer number (175919819610).

Almost surely, 2^{1000111100099} is an apocalyptic number.

1000111100099 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

1000111100099 is a deficient number, since it is larger than the sum of its proper divisors (55407817561).

1000111100099 is an equidigital number, since it uses as much as digits as its factorization.

1000111100099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2770390897 (or 2770390878 counting only the distinct ones).

The product of its (nonzero) digits is 81, while the sum is 23.

The spelling of 1000111100099 in words is "one trillion, one hundred eleven million, one hundred thousand, ninety-nine".