221133130330233 has 32 divisors (see below), whose sum is σ = 323501779279872. Its totient is φ = 133248485921600.

The previous prime is 221133130330159. The next prime is 221133130330253. The reversal of 221133130330233 is 332033031331122.

221133130330233 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 221133130330233 - 2¹⁸ = 221133130068089 is a prime.

It is a super-2 number, since 2×221133130330233² (a number of 29 digits) contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 221133130330233.

It is not an unprimeable number, because it can be changed into a prime (221133130330253) 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, 2821135 + ... + 21218507.

It is an arithmetic number, because the mean of its divisors is an integer number (10109430602496).

Almost surely, 2^{221133130330233} is an apocalyptic number.

It is an amenable number.

221133130330233 is a deficient number, since it is larger than the sum of its proper divisors (102368648949639).

221133130330233 is a wasteful number, since it uses less digits than its factorization.

221133130330233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18399485.

The product of its (nonzero) digits is 17496, while the sum is 30.

Adding to 221133130330233 its reverse (332033031331122), we get a palindrome (553166161661355).

The spelling of 221133130330233 in words is "two hundred twenty-one trillion, one hundred thirty-three billion, one hundred thirty million, three hundred thirty thousand, two hundred thirty-three".