11212202221249 has 2 divisors, whose sum is σ = 11212202221250. Its totient is φ = 11212202221248.

The previous prime is 11212202221183. The next prime is 11212202221267. The reversal of 11212202221249 is 94212220221211.

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., 5836959360400 + 5375242860849 = 2415980^2 + 2318457^2 .

It is a cyclic number.

It is not a de Polignac number, because 11212202221249 - 2¹¹ = 11212202219201 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11212202221249.

It is not a weakly prime, because it can be changed into another prime (11212202221289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5606101110624 + 5606101110625.

It is an arithmetic number, because the mean of its divisors is an integer number (5606101110625).

Almost surely, 2^{11212202221249} is an apocalyptic number.

It is an amenable number.

11212202221249 is a deficient number, since it is larger than the sum of its proper divisors (1).

11212202221249 is an equidigital number, since it uses as much as digits as its factorization.

11212202221249 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 11212202221249 in words is "eleven trillion, two hundred twelve billion, two hundred two million, two hundred twenty-one thousand, two hundred forty-nine".