200120000021002 has 8 divisors (see below), whose sum is σ = 300180164062500. Its totient is φ = 100059945333504.

The previous prime is 200120000020979. The next prime is 200120000021009.

200120000021002 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 2 ways, for example, as 184455811265401 + 15664188755601 = 13581451^2 + 3957801^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 200120000021002.

It is not an unprimeable number, because it can be changed into a prime (200120000021009) 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, 22599127 + ... + 30182122.

Almost surely, 2^{200120000021002} is an apocalyptic number.

200120000021002 is a deficient number, since it is larger than the sum of its proper divisors (100060164041498).

200120000021002 is a wasteful number, since it uses less digits than its factorization.

200120000021002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54677000.

The product of its (nonzero) digits is 16, while the sum is 10.

It can be divided in two parts, 2001200000 and 21002, that added together give a palindrome (2001221002).

The spelling of 200120000021002 in words is "two hundred trillion, one hundred twenty billion, twenty-one thousand, two".