221110122233 has 32 divisors (see below), whose sum is σ = 296929274880. Its totient is φ = 159011242560.

The previous prime is 221110122223. The next prime is 221110122239. The reversal of 221110122233 is 332221011122.

It is a cyclic number.

It is not a de Polignac number, because 221110122233 - 2¹⁰ = 221110121209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (221110122239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6536678 + ... + 6570416.

It is an arithmetic number, because the mean of its divisors is an integer number (9279039840).

Almost surely, 2^221110122233 is an apocalyptic number.

It is an amenable number.

221110122233 is a deficient number, since it is larger than the sum of its proper divisors (75819152647).

221110122233 is a wasteful number, since it uses less digits than its factorization.

221110122233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40317.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 221110122233 its reverse (332221011122), we get a palindrome (553331133355).

Subtracting 221110122233 from its reverse (332221011122), we obtain a square (111110888889 = 333333²).

It can be divided in two parts, 221110 and 122233, that added together give a palindrome (343343).

The spelling of 221110122233 in words is "two hundred twenty-one billion, one hundred ten million, one hundred twenty-two thousand, two hundred thirty-three".