211244112243 has 10 divisors (see below), whose sum is σ = 315562192484. Its totient is φ = 140829408108.

The previous prime is 211244112227. The next prime is 211244112263. The reversal of 211244112243 is 342211442112.

211244112243 is a `hidden beast` number, since 2 + 1 + 1 + 2 + 4 + 411 + 2 + 243 = 666.

211244112243 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 211244112243 - 2⁴ = 211244112227 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (211244112263) 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 in 9 ways as a sum of consecutive naturals, for example, 1303975921 + ... + 1303976082.

Almost surely, 2^211244112243 is an apocalyptic number.

211244112243 is a deficient number, since it is larger than the sum of its proper divisors (104318080241).

211244112243 is an equidigital number, since it uses as much as digits as its factorization.

211244112243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2607952015 (or 2607952006 counting only the distinct ones).

The product of its digits is 3072, while the sum is 27.

Adding to 211244112243 its reverse (342211442112), we get a palindrome (553455554355).

The spelling of 211244112243 in words is "two hundred eleven billion, two hundred forty-four million, one hundred twelve thousand, two hundred forty-three".