200120210102002 has 4 divisors (see below), whose sum is σ = 300180315153006. Its totient is φ = 100060105051000.

The previous prime is 200120210101921. The next prime is 200120210102027. The reversal of 200120210102002 is 200201012021002.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 170151910204441 + 29968299897561 = 13044229^2 + 5474331^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50030052525499 + ... + 50030052525502.

Almost surely, 2^{200120210102002} is an apocalyptic number.

200120210102002 is a deficient number, since it is larger than the sum of its proper divisors (100060105051004).

200120210102002 is a wasteful number, since it uses less digits than its factorization.

200120210102002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100060105051003.

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

Adding to 200120210102002 its reverse (200201012021002), we get a palindrome (400321222123004).

The spelling of 200120210102002 in words is "two hundred trillion, one hundred twenty billion, two hundred ten million, one hundred two thousand, two".