244120013211 has 4 divisors (see below), whose sum is σ = 325493350952. Its totient is φ = 162746675472.

The previous prime is 244120013197. The next prime is 244120013213. The reversal of 244120013211 is 112310021442.

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

It is not a de Polignac number, because 244120013211 - 2⁶ = 244120013147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (244120013213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40686668866 + ... + 40686668871.

It is an arithmetic number, because the mean of its divisors is an integer number (81373337738).

Almost surely, 2^244120013211 is an apocalyptic number.

244120013211 is a deficient number, since it is larger than the sum of its proper divisors (81373337741).

244120013211 is an equidigital number, since it uses as much as digits as its factorization.

244120013211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81373337740.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 244120013211 its reverse (112310021442), we get a palindrome (356430034653).

The spelling of 244120013211 in words is "two hundred forty-four billion, one hundred twenty million, thirteen thousand, two hundred eleven".