1111001001099 has 16 divisors (see below), whose sum is σ = 1616130122880. Its totient is φ = 673280328960.

The previous prime is 1111001001013. The next prime is 1111001001107. The reversal of 1111001001099 is 9901001001111.

It is not a de Polignac number, because 1111001001099 - 2⁷ = 1111001000971 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1111001021099) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 917542 + ... + 1750395.

It is an arithmetic number, because the mean of its divisors is an integer number (101008132680).

Almost surely, 2^{1111001001099} is an apocalyptic number.

1111001001099 is a deficient number, since it is larger than the sum of its proper divisors (505129121781).

1111001001099 is a wasteful number, since it uses less digits than its factorization.

1111001001099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2680570.

The product of its (nonzero) digits is 81, while the sum is 24.

The spelling of 1111001001099 in words is "one trillion, one hundred eleven billion, one million, one thousand, ninety-nine".