721121000202002 has 8 divisors (see below), whose sum is σ = 1096916451011712. Its totient is φ = 355482183198100.

The previous prime is 721121000201999. The next prime is 721121000202017. The reversal of 721121000202002 is 200202000121127.

721121000202002 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 2539158451274 + ... + 2539158451557.

It is an arithmetic number, because the mean of its divisors is an integer number (137114556376464).

Almost surely, 2^{721121000202002} is an apocalyptic number.

721121000202002 is a deficient number, since it is larger than the sum of its proper divisors (375795450809710).

721121000202002 is a wasteful number, since it uses less digits than its factorization.

721121000202002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5078316902904.

The product of its (nonzero) digits is 224, while the sum is 20.

Adding to 721121000202002 its reverse (200202000121127), we get a palindrome (921323000323129).

The spelling of 721121000202002 in words is "seven hundred twenty-one trillion, one hundred twenty-one billion, two hundred two thousand, two".