12102210011121 has 8 divisors (see below), whose sum is σ = 16155744770880. Its totient is φ = 8058407629392.

The previous prime is 12102210011077. The next prime is 12102210011191. The reversal of 12102210011121 is 12111001220121.

It is a happy number.

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

It is not a de Polignac number, because 12102210011121 - 2¹⁸ = 12102209748977 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12102210011121.

It is not an unprimeable number, because it can be changed into a prime (12102210011191) 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, 2433091605 + ... + 2433096578.

It is an arithmetic number, because the mean of its divisors is an integer number (2019468096360).

Almost surely, 2^{12102210011121} is an apocalyptic number.

It is an amenable number.

12102210011121 is a deficient number, since it is larger than the sum of its proper divisors (4053534759759).

12102210011121 is an equidigital number, since it uses as much as digits as its factorization.

12102210011121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4866189015.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 12102210011121 its reverse (12111001220121), we get a palindrome (24213211231242).

The spelling of 12102210011121 in words is "twelve trillion, one hundred two billion, two hundred ten million, eleven thousand, one hundred twenty-one".