12202211121 has 16 divisors (see below), whose sum is σ = 16503188736. Its totient is φ = 8018165376.

The previous prime is 12202211081. The next prime is 12202211191. The reversal of 12202211121 is 12111220221.

It is not a de Polignac number, because 12202211121 - 2³³ = 3612276529 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12202211121.

It is not an unprimeable number, because it can be changed into a prime (12202211191) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 335976 + ... + 370518.

It is an arithmetic number, because the mean of its divisors is an integer number (1031449296).

Almost surely, 2^12202211121 is an apocalyptic number.

It is an amenable number.

12202211121 is a deficient number, since it is larger than the sum of its proper divisors (4300977615).

12202211121 is a wasteful number, since it uses less digits than its factorization.

12202211121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36232.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 12202211121 its reverse (12111220221), we get a palindrome (24313431342).

The spelling of 12202211121 in words is "twelve billion, two hundred two million, two hundred eleven thousand, one hundred twenty-one".