2201222211121 has 8 divisors (see below), whose sum is σ = 2297159751744. Its totient is φ = 2105304022800.

The previous prime is 2201222211113. The next prime is 2201222211163. The reversal of 2201222211121 is 1211122221022.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2201222211121 - 2³ = 2201222211113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2201222217121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4605391 + ... + 5060836.

It is an arithmetic number, because the mean of its divisors is an integer number (287144968968).

Almost surely, 2^{2201222211121} is an apocalyptic number.

It is an amenable number.

2201222211121 is a deficient number, since it is larger than the sum of its proper divisors (95937540623).

2201222211121 is an equidigital number, since it uses as much as digits as its factorization.

2201222211121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9676151.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 2201222211121 its reverse (1211122221022), we get a palindrome (3412344432143).

Subtracting from 2201222211121 its reverse (1211122221022), we obtain a palindrome (990099990099).

The spelling of 2201222211121 in words is "two trillion, two hundred one billion, two hundred twenty-two million, two hundred eleven thousand, one hundred twenty-one".