22120112201111 has 4 divisors (see below), whose sum is σ = 22386619577112. Its totient is φ = 21853604825112.

The previous prime is 22120112201029. The next prime is 22120112201113. The reversal of 22120112201111 is 11110221102122.

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 22120112201111 - 2²⁶ = 22120045092247 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 22120112201111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22120112201113) 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, 133253687876 + ... + 133253688041.

It is an arithmetic number, because the mean of its divisors is an integer number (5596654894278).

Almost surely, 2^{22120112201111} is an apocalyptic number.

22120112201111 is a deficient number, since it is larger than the sum of its proper divisors (266507376001).

22120112201111 is an equidigital number, since it uses as much as digits as its factorization.

22120112201111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266507376000.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 22120112201111 its reverse (11110221102122), we get a palindrome (33230333303233).

The spelling of 22120112201111 in words is "twenty-two trillion, one hundred twenty billion, one hundred twelve million, two hundred one thousand, one hundred eleven".