12011121201121 has 8 divisors (see below), whose sum is σ = 13735537672320. Its totient is φ = 10288840233408.

The previous prime is 12011121201109. The next prime is 12011121201143. The reversal of 12011121201121 is 12110212111021.

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 12011121201121 - 2⁷ = 12011121200993 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12011121201095 and 12011121201104.

It is not an unprimeable number, because it can be changed into a prime (12011121202121) 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, 533863816 + ... + 533886313.

It is an arithmetic number, because the mean of its divisors is an integer number (1716942209040).

Almost surely, 2^{12011121201121} is an apocalyptic number.

It is an amenable number.

12011121201121 is a deficient number, since it is larger than the sum of its proper divisors (1724416471199).

12011121201121 is a wasteful number, since it uses less digits than its factorization.

12011121201121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1067751743.

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

Adding to 12011121201121 its reverse (12110212111021), we get a palindrome (24121333312142).

The spelling of 12011121201121 in words is "twelve trillion, eleven billion, one hundred twenty-one million, two hundred one thousand, one hundred twenty-one".