52122111 has 16 divisors (see below), whose sum is σ = 74941440. Its totient is φ = 32114880.

The previous prime is 52122101. The next prime is 52122113. The reversal of 52122111 is 11122125.

It is not a de Polignac number, because 52122111 - 2⁹ = 52121599 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52122113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8815 + ... + 13488.

It is an arithmetic number, because the mean of its divisors is an integer number (4683840).

Almost surely, 2^52122111 is an apocalyptic number.

52122111 is a deficient number, since it is larger than the sum of its proper divisors (22819329).

52122111 is a wasteful number, since it uses less digits than its factorization.

52122111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22366.

The product of its digits is 40, while the sum is 15.

The square root of 52122111 is about 7219.5644605475. The cubic root of 52122111 is about 373.5430543781.

Adding to 52122111 its reverse (11122125), we get a palindrome (63244236).

The spelling of 52122111 in words is "fifty-two million, one hundred twenty-two thousand, one hundred eleven".