12221120203 has 2 divisors, whose sum is σ = 12221120204. Its totient is φ = 12221120202.

The previous prime is 12221120201. The next prime is 12221120237. The reversal of 12221120203 is 30202112221.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (30202112221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12221120203 - 2¹ = 12221120201 is a prime.

It is a super-2 number, since 2×12221120203² (a number of 21 digits) contains 22 as substring.

Together with 12221120201, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (12221120201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6110560101 + 6110560102.

It is an arithmetic number, because the mean of its divisors is an integer number (6110560102).

Almost surely, 2^12221120203 is an apocalyptic number.

12221120203 is a deficient number, since it is larger than the sum of its proper divisors (1).

12221120203 is an equidigital number, since it uses as much as digits as its factorization.

12221120203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 12221120203 its reverse (30202112221), we get a palindrome (42423232424).

The spelling of 12221120203 in words is "twelve billion, two hundred twenty-one million, one hundred twenty thousand, two hundred three".