1002113021244 has 24 divisors (see below), whose sum is σ = 2355085761280. Its totient is φ = 331634524464.

The previous prime is 1002113021227. The next prime is 1002113021251. The reversal of 1002113021244 is 4421203112001.

It is a self number, because there is not a number n which added to its sum of digits gives 1002113021244.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 300391924 + ... + 300395259.

Almost surely, 2^{1002113021244} is an apocalyptic number.

It is an amenable number.

1002113021244 is an abundant number, since it is smaller than the sum of its proper divisors (1352972740036).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1002113021244 is a wasteful number, since it uses less digits than its factorization.

1002113021244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 600787329 (or 600787327 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 1002113021244 its reverse (4421203112001), we get a palindrome (5423316133245).

The spelling of 1002113021244 in words is "one trillion, two billion, one hundred thirteen million, twenty-one thousand, two hundred forty-four".