52111121 has 2 divisors, whose sum is σ = 52111122. Its totient is φ = 52111120.

The previous prime is 52111097. The next prime is 52111127. The reversal of 52111121 is 12111125.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 32433025 + 19678096 = 5695^2 + 4436^2 .

It is a cyclic number.

It is not a de Polignac number, because 52111121 - 2¹⁸ = 51848977 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 52111096 and 52111105.

It is not a weakly prime, because it can be changed into another prime (52111127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26055560 + 26055561.

It is an arithmetic number, because the mean of its divisors is an integer number (26055561).

Almost surely, 2^52111121 is an apocalyptic number.

It is an amenable number.

52111121 is a deficient number, since it is larger than the sum of its proper divisors (1).

52111121 is an equidigital number, since it uses as much as digits as its factorization.

52111121 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20, while the sum is 14.

The square root of 52111121 is about 7218.8032941756. The cubic root of 52111121 is about 373.5167985553.

Adding to 52111121 its reverse (12111125), we get a palindrome (64222246).

The spelling of 52111121 in words is "fifty-two million, one hundred eleven thousand, one hundred twenty-one".