1002082081291 has 4 divisors (see below), whose sum is σ = 1002138272800. Its totient is φ = 1002025889784.

The previous prime is 1002082081279. The next prime is 1002082081313. The reversal of 1002082081291 is 1921802802001.

1002082081291 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 cyclic number.

It is not a de Polignac number, because 1002082081291 - 2¹³ = 1002082073099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1002082081391) 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, 28068996 + ... + 28104673.

It is an arithmetic number, because the mean of its divisors is an integer number (250534568200).

Almost surely, 2^{1002082081291} is an apocalyptic number.

1002082081291 is a deficient number, since it is larger than the sum of its proper divisors (56191509).

1002082081291 is an equidigital number, since it uses as much as digits as its factorization.

1002082081291 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56191508.

The product of its (nonzero) digits is 4608, while the sum is 34.

Adding to 1002082081291 its reverse (1921802802001), we get a palindrome (2923884883292).

The spelling of 1002082081291 in words is "one trillion, two billion, eighty-two million, eighty-one thousand, two hundred ninety-one".