22202212111111 has 4 divisors (see below), whose sum is σ = 22918412501824. Its totient is φ = 21486011720400.

The previous prime is 22202212111063. The next prime is 22202212111141. The reversal of 22202212111111 is 11111121220222.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22202212111111 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 (22202212111141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 358100195310 + ... + 358100195371.

It is an arithmetic number, because the mean of its divisors is an integer number (5729603125456).

Almost surely, 2^{22202212111111} is an apocalyptic number.

22202212111111 is a deficient number, since it is larger than the sum of its proper divisors (716200390713).

22202212111111 is an equidigital number, since it uses as much as digits as its factorization.

22202212111111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 716200390712.

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 22202212111111 its reverse (11111121220222), we get a palindrome (33313333331333).

The spelling of 22202212111111 in words is "twenty-two trillion, two hundred two billion, two hundred twelve million, one hundred eleven thousand, one hundred eleven".