22113021113 has 4 divisors (see below), whose sum is σ = 22113319140. Its totient is φ = 22112723088.

The previous prime is 22113021107. The next prime is 22113021131. The reversal of 22113021113 is 31112031122.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 598878784 + 21514142329 = 24472^2 + 146677^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22113021113 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22113021091 and 22113021100.

It is not an unprimeable number, because it can be changed into a prime (22113021163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60131 + ... + 218727.

It is an arithmetic number, because the mean of its divisors is an integer number (5528329785).

Almost surely, 2^22113021113 is an apocalyptic number.

It is an amenable number.

22113021113 is a deficient number, since it is larger than the sum of its proper divisors (298027).

22113021113 is a wasteful number, since it uses less digits than its factorization.

22113021113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 298026.

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

Adding to 22113021113 its reverse (31112031122), we get a palindrome (53225052235).

The spelling of 22113021113 in words is "twenty-two billion, one hundred thirteen million, twenty-one thousand, one hundred thirteen".