200200121021002 has 16 divisors (see below), whose sum is σ = 301240495405512. Its totient is φ = 99786791301120.

The previous prime is 200200121020997. The next prime is 200200121021101. The reversal of 200200121021002 is 200120121002002.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 178881021878881 + 21319099142121 = 13374641^2 + 4617261^2 .

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, 39812433 + ... + 44558164.

Almost surely, 2^{200200121021002} is an apocalyptic number.

200200121021002 is a deficient number, since it is larger than the sum of its proper divisors (101040374384510).

200200121021002 is a wasteful number, since it uses less digits than its factorization.

200200121021002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84374313.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 200200121021002 its reverse (200120121002002), we get a palindrome (400320242023004).

The spelling of 200200121021002 in words is "two hundred trillion, two hundred billion, one hundred twenty-one million, twenty-one thousand, two".