4421111111 has 4 divisors (see below), whose sum is σ = 4487097912. Its totient is φ = 4355124312.

The previous prime is 4421111099. The next prime is 4421111131. The reversal of 4421111111 is 1111111244.

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 4421111111 - 2¹⁸ = 4420848967 is a prime.

It is a Duffinian number.

4421111111 is a modest number, since divided by 111111 gives 4421 as remainder.

It is a nialpdrome in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 4421111111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4421111131) 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, 32993300 + ... + 32993433.

It is an arithmetic number, because the mean of its divisors is an integer number (1121774478).

Almost surely, 2^4421111111 is an apocalyptic number.

4421111111 is a deficient number, since it is larger than the sum of its proper divisors (65986801).

4421111111 is an equidigital number, since it uses as much as digits as its factorization.

4421111111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65986800.

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

The square root of 4421111111 is about 66491.4363734158. The cubic root of 4421111111 is about 1641.2590855326.

Adding to 4421111111 its reverse (1111111244), we get a palindrome (5532222355).

The spelling of 4421111111 in words is "four billion, four hundred twenty-one million, one hundred eleven thousand, one hundred eleven".