124521052211 has 2 divisors, whose sum is σ = 124521052212. Its totient is φ = 124521052210.

The previous prime is 124521052171. The next prime is 124521052213. The reversal of 124521052211 is 112250125421.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 124521052211 - 2³⁰ = 123447310387 is a prime.

Together with 124521052213, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (124521052213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62260526105 + 62260526106.

It is an arithmetic number, because the mean of its divisors is an integer number (62260526106).

Almost surely, 2^124521052211 is an apocalyptic number.

124521052211 is a deficient number, since it is larger than the sum of its proper divisors (1).

124521052211 is an equidigital number, since it uses as much as digits as its factorization.

124521052211 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1600, while the sum is 26.

Adding to 124521052211 its reverse (112250125421), we get a palindrome (236771177632).

The spelling of 124521052211 in words is "one hundred twenty-four billion, five hundred twenty-one million, fifty-two thousand, two hundred eleven".