11212203221213 has 2 divisors, whose sum is σ = 11212203221214. Its totient is φ = 11212203221212.

The previous prime is 11212203221189. The next prime is 11212203221237. The reversal of 11212203221213 is 31212230221211.

11212203221213 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a balanced prime because it is at equal distance from previous prime (11212203221189) and next prime (11212203221237).

It can be written as a sum of positive squares in only one way, i.e., 11191078924249 + 21124296964 = 3345307^2 + 145342^2 .

It is a cyclic number.

It is not a de Polignac number, because 11212203221213 - 2¹⁰ = 11212203220189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11212203221243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5606101610606 + 5606101610607.

It is an arithmetic number, because the mean of its divisors is an integer number (5606101610607).

Almost surely, 2^{11212203221213} is an apocalyptic number.

It is an amenable number.

11212203221213 is a deficient number, since it is larger than the sum of its proper divisors (1).

11212203221213 is an equidigital number, since it uses as much as digits as its factorization.

11212203221213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 11212203221213 its reverse (31212230221211), we get a palindrome (42424433442424).

The spelling of 11212203221213 in words is "eleven trillion, two hundred twelve billion, two hundred three million, two hundred twenty-one thousand, two hundred thirteen".