200121102002203 has 16 divisors (see below), whose sum is σ = 205355867028480. Its totient is φ = 194971149112896.

The previous prime is 200121102002153. The next prime is 200121102002209. The reversal of 200121102002203 is 302200201121002.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 200121102002203 - 2³⁷ = 199983663048731 is a prime.

It is a super-2 number, since 2×200121102002203² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (200121102002209) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53552901 + ... + 57167782.

It is an arithmetic number, because the mean of its divisors is an integer number (12834741689280).

Almost surely, 2^{200121102002203} is an apocalyptic number.

200121102002203 is a deficient number, since it is larger than the sum of its proper divisors (5234765026277).

200121102002203 is a wasteful number, since it uses less digits than its factorization.

200121102002203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110721066.

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

Adding to 200121102002203 its reverse (302200201121002), we get a palindrome (502321303123205).

The spelling of 200121102002203 in words is "two hundred trillion, one hundred twenty-one billion, one hundred two million, two thousand, two hundred three".