1111011111099 has 12 divisors (see below), whose sum is σ = 1648166633776. Its totient is φ = 720655855632.

The previous prime is 1111011111061. The next prime is 1111011111109. The reversal of 1111011111099 is 9901111101111.

It is not a de Polignac number, because 1111011111099 - 2¹³ = 1111011102907 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1111011111059) 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 11 ways as a sum of consecutive naturals, for example, 1668184519 + ... + 1668185184.

Almost surely, 2^{1111011111099} is an apocalyptic number.

1111011111099 is a deficient number, since it is larger than the sum of its proper divisors (537155522677).

1111011111099 is a wasteful number, since it uses less digits than its factorization.

1111011111099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3336369746 (or 3336369743 counting only the distinct ones).

The product of its (nonzero) digits is 81, while the sum is 27.

The spelling of 1111011111099 in words is "one trillion, one hundred eleven billion, eleven million, one hundred eleven thousand, ninety-nine".