791021102012002 has 8 divisors (see below), whose sum is σ = 1188205181444700. Its totient is φ = 394952708197104.

The previous prime is 791021102011991. The next prime is 791021102012003. The reversal of 791021102012002 is 200210201120197.

It can be written as a sum of positive squares in 2 ways, for example, as 709204355453881 + 81816746558121 = 26630891^2 + 9045261^2 .

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

It is not an unprimeable number, because it can be changed into a prime (791021102012003) 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, 278921402677 + ... + 278921405512.

Almost surely, 2^{791021102012002} is an apocalyptic number.

791021102012002 is a deficient number, since it is larger than the sum of its proper divisors (397184079432698).

791021102012002 is a wasteful number, since it uses less digits than its factorization.

791021102012002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 557842808900.

The product of its (nonzero) digits is 1008, while the sum is 28.

Adding to 791021102012002 its reverse (200210201120197), we get a palindrome (991231303132199).

The spelling of 791021102012002 in words is "seven hundred ninety-one trillion, twenty-one billion, one hundred two million, twelve thousand, two".