4224121111 has 16 divisors (see below), whose sum is σ = 4852514304. Its totient is φ = 3602005344.

The previous prime is 4224121103. The next prime is 4224121117. The reversal of 4224121111 is 1111214224.

It is a happy number.

It is not a de Polignac number, because 4224121111 - 2³ = 4224121103 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 (4224121117) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2184301 + ... + 2186233.

It is an arithmetic number, because the mean of its divisors is an integer number (303282144).

Almost surely, 2^4224121111 is an apocalyptic number.

4224121111 is a deficient number, since it is larger than the sum of its proper divisors (628393193).

4224121111 is a wasteful number, since it uses less digits than its factorization.

4224121111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3390.

The product of its digits is 128, while the sum is 19.

The square root of 4224121111 is about 64993.2389637568. The cubic root of 4224121111 is about 1616.5114575526.

Adding to 4224121111 its reverse (1111214224), we get a palindrome (5335335335).

The spelling of 4224121111 in words is "four billion, two hundred twenty-four million, one hundred twenty-one thousand, one hundred eleven".