12110021200121 has 8 divisors (see below), whose sum is σ = 13044085375104. Its totient is φ = 11176317608400.

The previous prime is 12110021200117. The next prime is 12110021200133. The reversal of 12110021200121 is 12100212001121.

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 12110021200121 - 2² = 12110021200117 is a prime.

It is a super-2 number, since 2×12110021200121² (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 = 12110021200096 and 12110021200105.

It is not an unprimeable number, because it can be changed into a prime (12110021200111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 90076055 + ... + 90210396.

It is an arithmetic number, because the mean of its divisors is an integer number (1630510671888).

Almost surely, 2^{12110021200121} is an apocalyptic number.

It is an amenable number.

12110021200121 is a deficient number, since it is larger than the sum of its proper divisors (934064174983).

12110021200121 is a wasteful number, since it uses less digits than its factorization.

12110021200121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180291631.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 12110021200121 its reverse (12100212001121), we get a palindrome (24210233201242).

The spelling of 12110021200121 in words is "twelve trillion, one hundred ten billion, twenty-one million, two hundred thousand, one hundred twenty-one".