211122022012249 has 2 divisors, whose sum is σ = 211122022012250. Its totient is φ = 211122022012248.

The previous prime is 211122022012207. The next prime is 211122022012259. The reversal of 211122022012249 is 942210220221112.

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., 165514528910025 + 45607493102224 = 12865245^2 + 6753332^2 .

It is a cyclic number.

It is not a de Polignac number, because 211122022012249 - 2⁹ = 211122022011737 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 211122022012249.

It is not a weakly prime, because it can be changed into another prime (211122022012259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105561011006124 + 105561011006125.

It is an arithmetic number, because the mean of its divisors is an integer number (105561011006125).

Almost surely, 2^{211122022012249} is an apocalyptic number.

It is an amenable number.

211122022012249 is a deficient number, since it is larger than the sum of its proper divisors (1).

211122022012249 is an equidigital number, since it uses as much as digits as its factorization.

211122022012249 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4608, while the sum is 31.

The spelling of 211122022012249 in words is "two hundred eleven trillion, one hundred twenty-two billion, twenty-two million, twelve thousand, two hundred forty-nine".