1002009091102 has 4 divisors (see below), whose sum is σ = 1503013636656. Its totient is φ = 501004545550.

The previous prime is 1002009091079. The next prime is 1002009091103. The reversal of 1002009091102 is 2011909002001.

1002009091102 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a super-2 number, since 2×1002009091102² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1002009091103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 250502272774 + ... + 250502272777.

It is an arithmetic number, because the mean of its divisors is an integer number (375753409164).

Almost surely, 2^{1002009091102} is an apocalyptic number.

1002009091102 is a deficient number, since it is larger than the sum of its proper divisors (501004545554).

1002009091102 is an equidigital number, since it uses as much as digits as its factorization.

1002009091102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 501004545553.

The product of its (nonzero) digits is 324, while the sum is 25.

The spelling of 1002009091102 in words is "one trillion, two billion, nine million, ninety-one thousand, one hundred two".