5201212111 has 12 divisors (see below), whose sum is σ = 5443962048. Its totient is φ = 4968871424.

The previous prime is 5201212099. The next prime is 5201212117. The reversal of 5201212111 is 1112121025.

It is not a de Polignac number, because 5201212111 - 2¹⁹ = 5200687823 is a prime.

It is a super-2 number, since 2×5201212111² = 54105214847226152642, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5201212117) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 450831 + ... + 462223.

It is an arithmetic number, because the mean of its divisors is an integer number (453663504).

Almost surely, 2^5201212111 is an apocalyptic number.

5201212111 is a deficient number, since it is larger than the sum of its proper divisors (242749937).

5201212111 is a wasteful number, since it uses less digits than its factorization.

5201212111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12302 (or 12279 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 16.

The square root of 5201212111 is about 72119.4294971889. The cubic root of 5201212111 is about 1732.6128127813.

Adding to 5201212111 its reverse (1112121025), we get a palindrome (6313333136).

The spelling of 5201212111 in words is "five billion, two hundred one million, two hundred twelve thousand, one hundred eleven".