22130311211 has 4 divisors (see below), whose sum is σ = 22194087672. Its totient is φ = 22066534752.

The previous prime is 22130311193. The next prime is 22130311223. The reversal of 22130311211 is 11211303122.

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 22130311211 - 2¹⁰ = 22130310187 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22130311211.

It is not an unprimeable number, because it can be changed into a prime (22130311811) 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, 31887710 + ... + 31888403.

It is an arithmetic number, because the mean of its divisors is an integer number (5548521918).

Almost surely, 2^22130311211 is an apocalyptic number.

22130311211 is a deficient number, since it is larger than the sum of its proper divisors (63776461).

22130311211 is an equidigital number, since it uses as much as digits as its factorization.

22130311211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63776460.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 22130311211 its reverse (11211303122), we get a palindrome (33341614333).

The spelling of 22130311211 in words is "twenty-two billion, one hundred thirty million, three hundred eleven thousand, two hundred eleven".