2221222210201 has 4 divisors (see below), whose sum is σ = 2238712148992. Its totient is φ = 2203732271412.

The previous prime is 2221222210199. The next prime is 2221222210213. The reversal of 2221222210201 is 1020122221222.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2221222210201 - 2¹ = 2221222210199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2221222210241) 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, 8744969205 + ... + 8744969458.

It is an arithmetic number, because the mean of its divisors is an integer number (559678037248).

Almost surely, 2^{2221222210201} is an apocalyptic number.

It is an amenable number.

2221222210201 is a deficient number, since it is larger than the sum of its proper divisors (17489938791).

2221222210201 is a wasteful number, since it uses less digits than its factorization.

2221222210201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17489938790.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 2221222210201 its reverse (1020122221222), we get a palindrome (3241344431423).

The spelling of 2221222210201 in words is "two trillion, two hundred twenty-one billion, two hundred twenty-two million, two hundred ten thousand, two hundred one".