5220111 has 16 divisors (see below), whose sum is σ = 7557984. Its totient is φ = 3185664.

The previous prime is 5220107. The next prime is 5220113. The reversal of 5220111 is 1110225.

It is not a de Polignac number, because 5220111 - 2² = 5220107 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5220113) 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, 4855 + ... + 5831.

It is an arithmetic number, because the mean of its divisors is an integer number (472374).

Almost surely, 2^5220111 is an apocalyptic number.

5220111 is a deficient number, since it is larger than the sum of its proper divisors (2337873).

5220111 is a wasteful number, since it uses less digits than its factorization.

5220111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1130.

The product of its (nonzero) digits is 20, while the sum is 12.

The square root of 5220111 is about 2284.7562233201. The cubic root of 5220111 is about 173.4708790719.

Adding to 5220111 its reverse (1110225), we get a palindrome (6330336).

It can be divided in two parts, 5 and 220111, that added together give a triangular number (220116 = T₆₆₃).

The spelling of 5220111 in words is "five million, two hundred twenty thousand, one hundred eleven".