12102111120121 has 8 divisors (see below), whose sum is σ = 13202687944224. Its totient is φ = 11001598446720.

The previous prime is 12102111120061. The next prime is 12102111120137.

12102111120121 is nontrivially palindromic in base 10.

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 12102111120121 - 2²⁵ = 12102077565689 is a prime.

It is a super-2 number, since 2×12102111120121² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12102111120095 and 12102111120104.

It is not an unprimeable number, because it can be changed into a prime (12102111120521) 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, 15642795 + ... + 16398208.

It is an arithmetic number, because the mean of its divisors is an integer number (1650335993028).

Almost surely, 2^{12102111120121} is an apocalyptic number.

12102111120121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12102111120121 is a deficient number, since it is larger than the sum of its proper divisors (1100576824103).

12102111120121 is a wasteful number, since it uses less digits than its factorization.

12102111120121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32075351.

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

It can be divided in two parts, 1210211 and 1120121, that added together give a palindrome (2330332).

The spelling of 12102111120121 in words is "twelve trillion, one hundred two billion, one hundred eleven million, one hundred twenty thousand, one hundred twenty-one".