22000111213 has 4 divisors (see below), whose sum is σ = 23294235420. Its totient is φ = 20705987008.

The previous prime is 22000111201. The next prime is 22000111241. The reversal of 22000111213 is 31211100022.

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

It can be written as a sum of positive squares in 2 ways, for example, as 13639203369 + 8360907844 = 116787^2 + 91438^2 .

It is a cyclic number.

It is not a de Polignac number, because 22000111213 - 2⁹ = 22000110701 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22000111193 and 22000111202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22000111013) 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, 647062078 + ... + 647062111.

It is an arithmetic number, because the mean of its divisors is an integer number (5823558855).

Almost surely, 2^22000111213 is an apocalyptic number.

It is an amenable number.

22000111213 is a deficient number, since it is larger than the sum of its proper divisors (1294124207).

22000111213 is a wasteful number, since it uses less digits than its factorization.

22000111213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1294124206.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 22000111213 its reverse (31211100022), we get a palindrome (53211211235).

The spelling of 22000111213 in words is "twenty-two billion, one hundred eleven thousand, two hundred thirteen".