221110022033 has 4 divisors (see below), whose sum is σ = 221139366180. Its totient is φ = 221080677888.

The previous prime is 221110021997. The next prime is 221110022041. The reversal of 221110022033 is 330220011122.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 85867753024 + 135242269009 = 293032^2 + 367753^2 .

It is a cyclic number.

It is not a de Polignac number, because 221110022033 - 2³⁶ = 152390545297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (221110022053) 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 3 ways as a sum of consecutive naturals, for example, 14660768 + ... + 14675841.

It is an arithmetic number, because the mean of its divisors is an integer number (55284841545).

Almost surely, 2^221110022033 is an apocalyptic number.

It is an amenable number.

221110022033 is a deficient number, since it is larger than the sum of its proper divisors (29344147).

221110022033 is an equidigital number, since it uses as much as digits as its factorization.

221110022033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29344146.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 221110022033 its reverse (330220011122), we get a palindrome (551330033155).

The spelling of 221110022033 in words is "two hundred twenty-one billion, one hundred ten million, twenty-two thousand, thirty-three".