200121220233 has 48 divisors (see below), whose sum is σ = 316573857600. Its totient is φ = 120812912640.

The previous prime is 200121220231. The next prime is 200121220249. The reversal of 200121220233 is 332022121002.

200121220233 is a `hidden beast` number, since 200 + 1 + 212 + 20 + 233 = 666.

200121220233 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 200121220233 - 2¹ = 200121220231 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (200121220231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 31134366 + ... + 31140792.

It is an arithmetic number, because the mean of its divisors is an integer number (6595288700).

Almost surely, 2^200121220233 is an apocalyptic number.

It is an amenable number.

200121220233 is a deficient number, since it is larger than the sum of its proper divisors (116452637367).

200121220233 is a wasteful number, since it uses less digits than its factorization.

200121220233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7622 (or 7619 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 200121220233 its reverse (332022121002), we get a palindrome (532143341235).

The spelling of 200121220233 in words is "two hundred billion, one hundred twenty-one million, two hundred twenty thousand, two hundred thirty-three".