7990221011002 has 8 divisors (see below), whose sum is σ = 11987837349696. Its totient is φ = 3994275227772.

The previous prime is 7990221010991. The next prime is 7990221011011. The reversal of 7990221011002 is 2001101220997.

It is a happy number.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 417626908 + ... + 417646039.

It is an arithmetic number, because the mean of its divisors is an integer number (1498479668712).

Almost surely, 2^{7990221011002} is an apocalyptic number.

7990221011002 is a deficient number, since it is larger than the sum of its proper divisors (3997616338694).

7990221011002 is a wasteful number, since it uses less digits than its factorization.

7990221011002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 835277732.

The product of its (nonzero) digits is 4536, while the sum is 34.

Adding to 7990221011002 its reverse (2001101220997), we get a palindrome (9991322231999).

The spelling of 7990221011002 in words is "seven trillion, nine hundred ninety billion, two hundred twenty-one million, eleven thousand, two".