22012211311 has 4 divisors (see below), whose sum is σ = 22018887000. Its totient is φ = 22005535624.

The previous prime is 22012211279. The next prime is 22012211327. The reversal of 22012211311 is 11311221022.

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 22012211311 - 2⁵ = 22012211279 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 (22012212311) 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, 3332896 + ... + 3339493.

It is an arithmetic number, because the mean of its divisors is an integer number (5504721750).

Almost surely, 2^22012211311 is an apocalyptic number.

22012211311 is a deficient number, since it is larger than the sum of its proper divisors (6675689).

22012211311 is an equidigital number, since it uses as much as digits as its factorization.

22012211311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6675688.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 22012211311 its reverse (11311221022), we get a palindrome (33323432333).

The spelling of 22012211311 in words is "twenty-two billion, twelve million, two hundred eleven thousand, three hundred eleven".