200121010211002 has 4 divisors (see below), whose sum is σ = 300181515316506. Its totient is φ = 100060505105500.

The previous prime is 200121010210967. The next prime is 200121010211039. The reversal of 200121010211002 is 200112010121002.

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., 178841970058761 + 21279040152241 = 13373181^2 + 4612921^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50030252552749 + ... + 50030252552752.

Almost surely, 2^{200121010211002} is an apocalyptic number.

200121010211002 is a deficient number, since it is larger than the sum of its proper divisors (100060505105504).

200121010211002 is a wasteful number, since it uses less digits than its factorization.

200121010211002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100060505105503.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 200121010211002 its reverse (200112010121002), we get a palindrome (400233020332004).

The spelling of 200121010211002 in words is "two hundred trillion, one hundred twenty-one billion, ten million, two hundred eleven thousand, two".