211210133249 has 2 divisors, whose sum is σ = 211210133250. Its totient is φ = 211210133248.

The previous prime is 211210133213. The next prime is 211210133311. The reversal of 211210133249 is 942331012112.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 159468442225 + 51741691024 = 399335^2 + 227468^2 .

It is a cyclic number.

It is not a de Polignac number, because 211210133249 - 2⁸ = 211210132993 is a prime.

It is not a weakly prime, because it can be changed into another prime (211210133549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105605066624 + 105605066625.

It is an arithmetic number, because the mean of its divisors is an integer number (105605066625).

Almost surely, 2^211210133249 is an apocalyptic number.

It is an amenable number.

211210133249 is a deficient number, since it is larger than the sum of its proper divisors (1).

211210133249 is an equidigital number, since it uses as much as digits as its factorization.

211210133249 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 29.

The spelling of 211210133249 in words is "two hundred eleven billion, two hundred ten million, one hundred thirty-three thousand, two hundred forty-nine".