22321212311 has 4 divisors (see below), whose sum is σ = 22322775624. Its totient is φ = 22319649000.

The previous prime is 22321212301. The next prime is 22321212349. The reversal of 22321212311 is 11321212322.

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

It is a cyclic number.

It is not a de Polignac number, because 22321212311 - 2³⁴ = 5141343127 is a prime.

It is a super-3 number, since 3×22321212311³ (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 (22321212301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 760040 + ... + 788861.

It is an arithmetic number, because the mean of its divisors is an integer number (5580693906).

Almost surely, 2^22321212311 is an apocalyptic number.

22321212311 is a deficient number, since it is larger than the sum of its proper divisors (1563313).

22321212311 is a wasteful number, since it uses less digits than its factorization.

22321212311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1563312.

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

Adding to 22321212311 its reverse (11321212322), we get a palindrome (33642424633).

The spelling of 22321212311 in words is "twenty-two billion, three hundred twenty-one million, two hundred twelve thousand, three hundred eleven".