200121002110 has 8 divisors (see below), whose sum is σ = 360217803816. Its totient is φ = 80048400840.

The previous prime is 200121002087. The next prime is 200121002129. The reversal of 200121002110 is 11200121002.

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

It is a Harshad number since it is a multiple of its sum of digits (10), and also a Moran number because the ratio is a prime number: 20012100211 = 200121002110 / (2 + 0 + 0 + 1 + 2 + 1 + 0 + 0 + 2 + 1 + 1 + 0).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10006050096 + ... + 10006050115.

It is an arithmetic number, because the mean of its divisors is an integer number (45027225477).

Almost surely, 2^200121002110 is an apocalyptic number.

200121002110 is a deficient number, since it is larger than the sum of its proper divisors (160096801706).

200121002110 is a wasteful number, since it uses less digits than its factorization.

200121002110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20012100218.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 200121002110 its reverse (11200121002), we get a palindrome (211321123112).

The spelling of 200121002110 in words is "two hundred billion, one hundred twenty-one million, two thousand, one hundred ten".