210124230115 has 4 divisors (see below), whose sum is σ = 252149076144. Its totient is φ = 168099384088.

The previous prime is 210124230091. The next prime is 210124230149. The reversal of 210124230115 is 511032421012.

210124230115 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-210124230115 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 21012423007 + ... + 21012423016.

It is an arithmetic number, because the mean of its divisors is an integer number (63037269036).

Almost surely, 2^210124230115 is an apocalyptic number.

210124230115 is a deficient number, since it is larger than the sum of its proper divisors (42024846029).

210124230115 is an equidigital number, since it uses as much as digits as its factorization.

210124230115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42024846028.

The product of its (nonzero) digits is 480, while the sum is 22.

Adding to 210124230115 its reverse (511032421012), we get a palindrome (721156651127).

The spelling of 210124230115 in words is "two hundred ten billion, one hundred twenty-four million, two hundred thirty thousand, one hundred fifteen".