2033201221 has 2 divisors, whose sum is σ = 2033201222. Its totient is φ = 2033201220.

The previous prime is 2033201179. The next prime is 2033201231. The reversal of 2033201221 is 1221023302.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1360576996 + 672624225 = 36886^2 + 25935^2 .

It is a cyclic number.

It is not a de Polignac number, because 2033201221 - 2⁹ = 2033200709 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2033201195 and 2033201204.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2033201231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1016600610 + 1016600611.

It is an arithmetic number, because the mean of its divisors is an integer number (1016600611).

Almost surely, 2^2033201221 is an apocalyptic number.

It is an amenable number.

2033201221 is a deficient number, since it is larger than the sum of its proper divisors (1).

2033201221 is an equidigital number, since it uses as much as digits as its factorization.

2033201221 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 16.

The square root of 2033201221 is about 45091.0326007289. The cubic root of 2033201221 is about 1266.8546425166.

Adding to 2033201221 its reverse (1221023302), we get a palindrome (3254224523).

The spelling of 2033201221 in words is "two billion, thirty-three million, two hundred one thousand, two hundred twenty-one".