12122210011121 has 8 divisors (see below), whose sum is σ = 13854309903744. Its totient is φ = 10390199019840.

The previous prime is 12122210011061. The next prime is 12122210011139. The reversal of 12122210011121 is 12111001222121.

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 12122210011121 - 2³⁴ = 12105030141937 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 12122210011121.

It is not an unprimeable number, because it can be changed into a prime (12122210010121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21932885 + ... + 22478786.

It is an arithmetic number, because the mean of its divisors is an integer number (1731788737968).

Almost surely, 2^{12122210011121} is an apocalyptic number.

It is an amenable number.

12122210011121 is a deficient number, since it is larger than the sum of its proper divisors (1732099892623).

12122210011121 is an equidigital number, since it uses as much as digits as its factorization.

12122210011121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44450671.

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

Adding to 12122210011121 its reverse (12111001222121), we get a palindrome (24233211233242).

The spelling of 12122210011121 in words is "twelve trillion, one hundred twenty-two billion, two hundred ten million, eleven thousand, one hundred twenty-one".