2221212201203 has 4 divisors (see below), whose sum is σ = 2221808183520. Its totient is φ = 2220616218888.

The previous prime is 2221212201161. The next prime is 2221212201209. The reversal of 2221212201203 is 3021022121222.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2221212201203 - 2²⁰ = 2221211152627 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2221212201209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 297985568 + ... + 297993021.

It is an arithmetic number, because the mean of its divisors is an integer number (555452045880).

Almost surely, 2^{2221212201203} is an apocalyptic number.

2221212201203 is a deficient number, since it is larger than the sum of its proper divisors (595982317).

2221212201203 is an equidigital number, since it uses as much as digits as its factorization.

2221212201203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 595982316.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 2221212201203 its reverse (3021022121222), we get a palindrome (5242234322425).

The spelling of 2221212201203 in words is "two trillion, two hundred twenty-one billion, two hundred twelve million, two hundred one thousand, two hundred three".