2221211222203 has 4 divisors (see below), whose sum is σ = 2351870705880. Its totient is φ = 2090551738528.

The previous prime is 2221211222129. The next prime is 2221211222213. The reversal of 2221211222203 is 3022221121222.

It is a happy number.

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 2221211222203 - 2⁴¹ = 22187966651 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2221211222213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65329741813 + ... + 65329741846.

It is an arithmetic number, because the mean of its divisors is an integer number (587967676470).

Almost surely, 2^{2221211222203} is an apocalyptic number.

2221211222203 is a deficient number, since it is larger than the sum of its proper divisors (130659483677).

2221211222203 is a wasteful number, since it uses less digits than its factorization.

2221211222203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130659483676.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 2221211222203 its reverse (3022221121222), we get a palindrome (5243432343425).

The spelling of 2221211222203 in words is "two trillion, two hundred twenty-one billion, two hundred eleven million, two hundred twenty-two thousand, two hundred three".