211223310049 has 2 divisors, whose sum is σ = 211223310050. Its totient is φ = 211223310048.

The previous prime is 211223310029. The next prime is 211223310059. The reversal of 211223310049 is 940013322112.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 123574747024 + 87648563025 = 351532^2 + 296055^2 .

It is a cyclic number.

It is not a de Polignac number, because 211223310049 - 2¹⁵ = 211223277281 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 211223309999 and 211223310026.

It is not a weakly prime, because it can be changed into another prime (211223310029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105611655024 + 105611655025.

It is an arithmetic number, because the mean of its divisors is an integer number (105611655025).

Almost surely, 2^211223310049 is an apocalyptic number.

It is an amenable number.

211223310049 is a deficient number, since it is larger than the sum of its proper divisors (1).

211223310049 is an equidigital number, since it uses as much as digits as its factorization.

211223310049 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 28.

The spelling of 211223310049 in words is "two hundred eleven billion, two hundred twenty-three million, three hundred ten thousand, forty-nine".