22111404213 has 4 divisors (see below), whose sum is σ = 29481872288. Its totient is φ = 14740936140.

The previous prime is 22111404199. The next prime is 22111404239. The reversal of 22111404213 is 31240411122.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 22111404213 - 2⁶ = 22111404149 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 22111404213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22111404283) 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, 3685234033 + ... + 3685234038.

It is an arithmetic number, because the mean of its divisors is an integer number (7370468072).

Almost surely, 2^22111404213 is an apocalyptic number.

It is an amenable number.

22111404213 is a deficient number, since it is larger than the sum of its proper divisors (7370468075).

22111404213 is an equidigital number, since it uses as much as digits as its factorization.

22111404213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7370468074.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 22111404213 its reverse (31240411122), we get a palindrome (53351815335).

The spelling of 22111404213 in words is "twenty-two billion, one hundred eleven million, four hundred four thousand, two hundred thirteen".