4221142111 has 4 divisors (see below), whose sum is σ = 4290341224. Its totient is φ = 4151943000.

The previous prime is 4221142103. The next prime is 4221142117. The reversal of 4221142111 is 1112411224.

It is a happy number.

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 4221142111 - 2³ = 4221142103 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 (4221142117) 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, 34599465 + ... + 34599586.

It is an arithmetic number, because the mean of its divisors is an integer number (1072585306).

Almost surely, 2^4221142111 is an apocalyptic number.

4221142111 is a deficient number, since it is larger than the sum of its proper divisors (69199113).

4221142111 is an equidigital number, since it uses as much as digits as its factorization.

4221142111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69199112.

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

The square root of 4221142111 is about 64970.3171532970. The cubic root of 4221142111 is about 1616.1313611183.

Adding to 4221142111 its reverse (1112411224), we get a palindrome (5333553335).

The spelling of 4221142111 in words is "four billion, two hundred twenty-one million, one hundred forty-two thousand, one hundred eleven".