22130021211 has 4 divisors (see below), whose sum is σ = 29506694952. Its totient is φ = 14753347472.

The previous prime is 22130021171. The next prime is 22130021231. The reversal of 22130021211 is 11212003122.

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 22130021211 - 2¹⁵ = 22129988443 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22130021231) 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, 3688336866 + ... + 3688336871.

It is an arithmetic number, because the mean of its divisors is an integer number (7376673738).

Almost surely, 2^22130021211 is an apocalyptic number.

22130021211 is a deficient number, since it is larger than the sum of its proper divisors (7376673741).

22130021211 is an equidigital number, since it uses as much as digits as its factorization.

22130021211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7376673740.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 22130021211 its reverse (11212003122), we get a palindrome (33342024333).

The spelling of 22130021211 in words is "twenty-two billion, one hundred thirty million, twenty-one thousand, two hundred eleven".