12211310100203 has 2 divisors, whose sum is σ = 12211310100204. Its totient is φ = 12211310100202.

The previous prime is 12211310100193. The next prime is 12211310100221. The reversal of 12211310100203 is 30200101311221.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12211310100203 is a prime.

It is not a weakly prime, because it can be changed into another prime (12211310100293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6105655050101 + 6105655050102.

It is an arithmetic number, because the mean of its divisors is an integer number (6105655050102).

Almost surely, 2^{12211310100203} is an apocalyptic number.

12211310100203 is a deficient number, since it is larger than the sum of its proper divisors (1).

12211310100203 is an equidigital number, since it uses as much as digits as its factorization.

12211310100203 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 12211310100203 its reverse (30200101311221), we get a palindrome (42411411411424).

The spelling of 12211310100203 in words is "twelve trillion, two hundred eleven billion, three hundred ten million, one hundred thousand, two hundred three".