22321213311 has 4 divisors (see below), whose sum is σ = 29761617752. Its totient is φ = 14880808872.

The previous prime is 22321213303. The next prime is 22321213331. The reversal of 22321213311 is 11331212322.

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

It is not a de Polignac number, because 22321213311 - 2³ = 22321213303 is a prime.

It is a super-3 number, since 3×22321213311³ (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22321213301) 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, 3720202216 + ... + 3720202221.

It is an arithmetic number, because the mean of its divisors is an integer number (7440404438).

Almost surely, 2^22321213311 is an apocalyptic number.

22321213311 is a deficient number, since it is larger than the sum of its proper divisors (7440404441).

22321213311 is an equidigital number, since it uses as much as digits as its factorization.

22321213311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7440404440.

The product of its digits is 432, while the sum is 21.

Adding to 22321213311 its reverse (11331212322), we get a palindrome (33652425633).

The spelling of 22321213311 in words is "twenty-two billion, three hundred twenty-one million, two hundred thirteen thousand, three hundred eleven".