12202211011121 has 4 divisors (see below), whose sum is σ = 12732741924672. Its totient is φ = 11671680097572.

The previous prime is 12202211011103. The next prime is 12202211011183. The reversal of 12202211011121 is 12111011220221.

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 12202211011121 - 2³⁸ = 11927333104177 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12202211011121.

It is not an unprimeable number, because it can be changed into a prime (12202211019121) 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, 265265456741 + ... + 265265456786.

It is an arithmetic number, because the mean of its divisors is an integer number (3183185481168).

Almost surely, 2^{12202211011121} is an apocalyptic number.

It is an amenable number.

12202211011121 is a deficient number, since it is larger than the sum of its proper divisors (530530913551).

12202211011121 is an equidigital number, since it uses as much as digits as its factorization.

12202211011121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 530530913550.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 12202211011121 its reverse (12111011220221), we get a palindrome (24313222231342).

The spelling of 12202211011121 in words is "twelve trillion, two hundred two billion, two hundred eleven million, eleven thousand, one hundred twenty-one".