1002111109999 has 4 divisors (see below), whose sum is σ = 1002113289000. Its totient is φ = 1002108931000.

The previous prime is 1002111109927. The next prime is 1002111110023. The reversal of 1002111109999 is 9999011112001.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1002111109999 - 2¹¹ = 1002111107951 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1002111109399) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100249 + ... + 1419250.

It is an arithmetic number, because the mean of its divisors is an integer number (250528322250).

Almost surely, 2^{1002111109999} is an apocalyptic number.

1002111109999 is a deficient number, since it is larger than the sum of its proper divisors (2179001).

1002111109999 is an equidigital number, since it uses as much as digits as its factorization.

1002111109999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2179000.

The product of its (nonzero) digits is 13122, while the sum is 43.

The spelling of 1002111109999 in words is "one trillion, two billion, one hundred eleven million, one hundred nine thousand, nine hundred ninety-nine".