22120240111 has 4 divisors (see below), whose sum is σ = 22386749112. Its totient is φ = 21853731112.

The previous prime is 22120240039. The next prime is 22120240141. The reversal of 22120240111 is 11104202122.

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 22120240111 - 2¹³ = 22120231919 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22120240141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 133254376 + ... + 133254541.

It is an arithmetic number, because the mean of its divisors is an integer number (5596687278).

Almost surely, 2^22120240111 is an apocalyptic number.

22120240111 is a deficient number, since it is larger than the sum of its proper divisors (266509001).

22120240111 is an equidigital number, since it uses as much as digits as its factorization.

22120240111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266509000.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 22120240111 its reverse (11104202122), we get a palindrome (33224442233).

The spelling of 22120240111 in words is "twenty-two billion, one hundred twenty million, two hundred forty thousand, one hundred eleven".