12211311123203 has 2 divisors, whose sum is σ = 12211311123204. Its totient is φ = 12211311123202.

The previous prime is 12211311123199. The next prime is 12211311123259. The reversal of 12211311123203 is 30232111311221.

It is a happy number.

12211311123203 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12211311123203 - 2² = 12211311123199 is a prime.

It is a super-2 number, since 2×12211311123203² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12211311123103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6105655561601 + 6105655561602.

It is an arithmetic number, because the mean of its divisors is an integer number (6105655561602).

Almost surely, 2^{12211311123203} is an apocalyptic number.

12211311123203 is a deficient number, since it is larger than the sum of its proper divisors (1).

12211311123203 is an equidigital number, since it uses as much as digits as its factorization.

12211311123203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 23.

Adding to 12211311123203 its reverse (30232111311221), we get a palindrome (42443422434424).

The spelling of 12211311123203 in words is "twelve trillion, two hundred eleven billion, three hundred eleven million, one hundred twenty-three thousand, two hundred three".