12211112203 has 2 divisors, whose sum is σ = 12211112204. Its totient is φ = 12211112202.

The previous prime is 12211112197. The next prime is 12211112213. The reversal of 12211112203 is 30221111221.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12211112203 is a prime.

It is a super-2 number, since 2×12211112203² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12211112213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6105556101 + 6105556102.

It is an arithmetic number, because the mean of its divisors is an integer number (6105556102).

Almost surely, 2^12211112203 is an apocalyptic number.

12211112203 is a deficient number, since it is larger than the sum of its proper divisors (1).

12211112203 is an equidigital number, since it uses as much as digits as its factorization.

12211112203 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 12211112203 its reverse (30221111221), we get a palindrome (42432223424).

The spelling of 12211112203 in words is "twelve billion, two hundred eleven million, one hundred twelve thousand, two hundred three".