201221223331233 has 16 divisors (see below), whose sum is σ = 306623613650816. Its totient is φ = 114983257259520.

The previous prime is 201221223331207. The next prime is 201221223331259. The reversal of 201221223331233 is 332133322122102.

201221223331233 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (201221223331207) and next prime (201221223331259).

It is not a de Polignac number, because 201221223331233 - 2¹³ = 201221223323041 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 201221223331233.

It is not an unprimeable number, because it can be changed into a prime (201221223331273) 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, 4053616 + ... + 20466417.

It is an arithmetic number, because the mean of its divisors is an integer number (19163975853176).

Almost surely, 2^{201221223331233} is an apocalyptic number.

It is an amenable number.

201221223331233 is a deficient number, since it is larger than the sum of its proper divisors (105402390319583).

201221223331233 is a wasteful number, since it uses less digits than its factorization.

201221223331233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24910824.

The product of its (nonzero) digits is 15552, while the sum is 30.

Adding to 201221223331233 its reverse (332133322122102), we get a palindrome (533354545453335).

The spelling of 201221223331233 in words is "two hundred one trillion, two hundred twenty-one billion, two hundred twenty-three million, three hundred thirty-one thousand, two hundred thirty-three".