2103211247 has 2 divisors, whose sum is σ = 2103211248. Its totient is φ = 2103211246.

The previous prime is 2103211223. The next prime is 2103211273. The reversal of 2103211247 is 7421123012.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2103211247 - 2²⁸ = 1834775791 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2103211147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1051605623 + 1051605624.

It is an arithmetic number, because the mean of its divisors is an integer number (1051605624).

Almost surely, 2^2103211247 is an apocalyptic number.

2103211247 is a deficient number, since it is larger than the sum of its proper divisors (1).

2103211247 is an equidigital number, since it uses as much as digits as its factorization.

2103211247 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 2103211247 is about 45860.7811424969. The cubic root of 2103211247 is about 1281.2315716025.

Adding to 2103211247 its reverse (7421123012), we get a palindrome (9524334259).

The spelling of 2103211247 in words is "two billion, one hundred three million, two hundred eleven thousand, two hundred forty-seven".