200121102002210 has 32 divisors (see below), whose sum is σ = 364271593860720. Its totient is φ = 79147669224448.

The previous prime is 200121102002209. The next prime is 200121102002243. The reversal of 200121102002210 is 12200201121002.

It can be written as a sum of positive squares in 8 ways, for example, as 47476633728241 + 152644468273969 = 6890329^2 + 12354937^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51077444 + ... + 54855696.

Almost surely, 2^{200121102002210} is an apocalyptic number.

200121102002210 is a deficient number, since it is larger than the sum of its proper divisors (164150491858510).

200121102002210 is a wasteful number, since it uses less digits than its factorization.

200121102002210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3837862.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 200121102002210 its reverse (12200201121002), we get a palindrome (212321303123212).

The spelling of 200121102002210 in words is "two hundred trillion, one hundred twenty-one billion, one hundred two million, two thousand, two hundred ten".