22221121333 has 4 divisors (see below), whose sum is σ = 22279752640. Its totient is φ = 22162490028.

The previous prime is 22221121313. The next prime is 22221121409. The reversal of 22221121333 is 33312112222.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 22221121333 - 2⁵ = 22221121301 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22221121313) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29315085 + ... + 29315842.

It is an arithmetic number, because the mean of its divisors is an integer number (5569938160).

Almost surely, 2^22221121333 is an apocalyptic number.

It is an amenable number.

22221121333 is a deficient number, since it is larger than the sum of its proper divisors (58631307).

22221121333 is an equidigital number, since it uses as much as digits as its factorization.

22221121333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58631306.

The product of its digits is 864, while the sum is 22.

Adding to 22221121333 its reverse (33312112222), we get a palindrome (55533233555).

The spelling of 22221121333 in words is "twenty-two billion, two hundred twenty-one million, one hundred twenty-one thousand, three hundred thirty-three".