200121310204 has 6 divisors (see below), whose sum is σ = 350212292864. Its totient is φ = 100060655100.

The previous prime is 200121310201. The next prime is 200121310223. The reversal of 200121310204 is 402013121002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200121310201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25015163772 + ... + 25015163779.

Almost surely, 2^200121310204 is an apocalyptic number.

It is an amenable number.

200121310204 is a deficient number, since it is larger than the sum of its proper divisors (150090982660).

200121310204 is a wasteful number, since it uses less digits than its factorization.

200121310204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50030327555 (or 50030327553 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 200121310204 its reverse (402013121002), we get a palindrome (602134431206).

The spelling of 200121310204 in words is "two hundred billion, one hundred twenty-one million, three hundred ten thousand, two hundred four".