200121220012203 has 32 divisors (see below), whose sum is σ = 338852584696320. Its totient is φ = 114347218393440.

The previous prime is 200121220012201. The next prime is 200121220012213. The reversal of 200121220012203 is 302210022121002.

200121220012203 is a `hidden beast` number, since 200 + 1 + 21 + 220 + 0 + 1 + 220 + 3 = 666.

It is not a de Polignac number, because 200121220012203 - 2¹ = 200121220012201 is a prime.

It is not an unprimeable number, because it can be changed into a prime (200121220012201) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 33155100 + ... + 38723417.

It is an arithmetic number, because the mean of its divisors is an integer number (10589143271760).

Almost surely, 2^{200121220012203} is an apocalyptic number.

200121220012203 is a deficient number, since it is larger than the sum of its proper divisors (138731364684117).

200121220012203 is a wasteful number, since it uses less digits than its factorization.

200121220012203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71893264 (or 71893258 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 200121220012203 its reverse (302210022121002), we get a palindrome (502331242133205).

The spelling of 200121220012203 in words is "two hundred trillion, one hundred twenty-one billion, two hundred twenty million, twelve thousand, two hundred three".