252120010111 has 2 divisors, whose sum is σ = 252120010112. Its totient is φ = 252120010110.

The previous prime is 252120010097. The next prime is 252120010151. The reversal of 252120010111 is 111010021252.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 252120010111 - 2¹³ = 252120001919 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (252120010151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126060005055 + 126060005056.

It is an arithmetic number, because the mean of its divisors is an integer number (126060005056).

Almost surely, 2^252120010111 is an apocalyptic number.

252120010111 is a deficient number, since it is larger than the sum of its proper divisors (1).

252120010111 is an equidigital number, since it uses as much as digits as its factorization.

252120010111 is an evil number, because the sum of its binary digits is even.

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

Adding to 252120010111 its reverse (111010021252), we get a palindrome (363130031363).

The spelling of 252120010111 in words is "two hundred fifty-two billion, one hundred twenty million, ten thousand, one hundred eleven".