200121111201233 has 2 divisors, whose sum is σ = 200121111201234. Its totient is φ = 200121111201232.

The previous prime is 200121111201163. The next prime is 200121111201247. The reversal of 200121111201233 is 332102111121002.

200121111201233 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 197622078227344 + 2499032973889 = 14057812^2 + 1580833^2 .

It is a cyclic number.

It is not a de Polignac number, because 200121111201233 - 2⁴⁴ = 182528925156817 is a prime.

It is not a weakly prime, because it can be changed into another prime (200121111201133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100060555600616 + 100060555600617.

It is an arithmetic number, because the mean of its divisors is an integer number (100060555600617).

Almost surely, 2^{200121111201233} is an apocalyptic number.

It is an amenable number.

200121111201233 is a deficient number, since it is larger than the sum of its proper divisors (1).

200121111201233 is an equidigital number, since it uses as much as digits as its factorization.

200121111201233 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 200121111201233 its reverse (332102111121002), we get a palindrome (532223222322235).

The spelling of 200121111201233 in words is "two hundred trillion, one hundred twenty-one billion, one hundred eleven million, two hundred one thousand, two hundred thirty-three".