1000001111099 has 8 divisors (see below), whose sum is σ = 1027238506800. Its totient is φ = 972944695296.

The previous prime is 1000001111089. The next prime is 1000001111143. The reversal of 1000001111099 is 9901111000001.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1000001111099 - 2¹² = 1000001107003 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1000001111059) 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 7 ways as a sum of consecutive naturals, for example, 45233774 + ... + 45255875.

It is an arithmetic number, because the mean of its divisors is an integer number (128404813350).

Almost surely, 2^{1000001111099} is an apocalyptic number.

1000001111099 is a deficient number, since it is larger than the sum of its proper divisors (27237395701).

1000001111099 is an equidigital number, since it uses as much as digits as its factorization.

1000001111099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90489949.

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

The spelling of 1000001111099 in words is "one trillion, one million, one hundred eleven thousand, ninety-nine".