22230121111 has 64 divisors (see below), whose sum is σ = 27141599232. Its totient is φ = 17971200000.

The previous prime is 22230121103. The next prime is 22230121153. The reversal of 22230121111 is 11112103222.

It is a cyclic number.

It is not a de Polignac number, because 22230121111 - 2³ = 22230121103 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22230121411) 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 63 ways as a sum of consecutive naturals, for example, 55436511 + ... + 55436911.

It is an arithmetic number, because the mean of its divisors is an integer number (424087488).

Almost surely, 2^22230121111 is an apocalyptic number.

22230121111 is a deficient number, since it is larger than the sum of its proper divisors (4911478121).

22230121111 is a wasteful number, since it uses less digits than its factorization.

22230121111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 664.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 22230121111 its reverse (11112103222), we get a palindrome (33342224333).

It can be divided in two parts, 22230 and 121111, that added together give a palindrome (143341).

The spelling of 22230121111 in words is "twenty-two billion, two hundred thirty million, one hundred twenty-one thousand, one hundred eleven".