2201212212222 has 16 divisors (see below), whose sum is σ = 4474595317392. Its totient is φ = 721708921920.

The previous prime is 2201212212211. The next prime is 2201212212233. The reversal of 2201212212222 is 2222122121022.

It is an interprime number because it is at equal distance from previous prime (2201212212211) and next prime (2201212212233).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3007120143 + ... + 3007120874.

It is an arithmetic number, because the mean of its divisors is an integer number (279662207337).

Almost surely, 2^{2201212212222} is an apocalyptic number.

2201212212222 is an abundant number, since it is smaller than the sum of its proper divisors (2273383105170).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2201212212222 is a wasteful number, since it uses less digits than its factorization.

2201212212222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6014241083.

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 2201212212222 its reverse (2222122121022), we get a palindrome (4423334333244).

The spelling of 2201212212222 in words is "two trillion, two hundred one billion, two hundred twelve million, two hundred twelve thousand, two hundred twenty-two".