22121223311 has 8 divisors (see below), whose sum is σ = 24134647248. Its totient is φ = 20108200000.

The previous prime is 22121223307. The next prime is 22121223349. The reversal of 22121223311 is 11332212122.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22121223311 - 2² = 22121223307 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 (22121223011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21761 + ... + 211461.

It is an arithmetic number, because the mean of its divisors is an integer number (3016830906).

Almost surely, 2^22121223311 is an apocalyptic number.

22121223311 is a deficient number, since it is larger than the sum of its proper divisors (2013423937).

22121223311 is a wasteful number, since it uses less digits than its factorization.

22121223311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200313.

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

Adding to 22121223311 its reverse (11332212122), we get a palindrome (33453435433).

The spelling of 22121223311 in words is "twenty-two billion, one hundred twenty-one million, two hundred twenty-three thousand, three hundred eleven".