1001001111099 has 32 divisors (see below), whose sum is σ = 1464610318080. Its totient is φ = 603082972800.

The previous prime is 1001001111073. The next prime is 1001001111179. The reversal of 1001001111099 is 9901111001001.

It is not a de Polignac number, because 1001001111099 - 2¹⁵ = 1001001078331 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1001001111059) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16137957 + ... + 16199865.

It is an arithmetic number, because the mean of its divisors is an integer number (45769072440).

Almost surely, 2^{1001001111099} is an apocalyptic number.

1001001111099 is a deficient number, since it is larger than the sum of its proper divisors (463609206981).

1001001111099 is a wasteful number, since it uses less digits than its factorization.

1001001111099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64811.

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

The spelling of 1001001111099 in words is "one trillion, one billion, one million, one hundred eleven thousand, ninety-nine".