12102020101121 has 8 divisors (see below), whose sum is σ = 12150167590080. Its totient is φ = 12053896009488.

The previous prime is 12102020101117. The next prime is 12102020101181. The reversal of 12102020101121 is 12110102020121.

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 12102020101121 - 2² = 12102020101117 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12102020101096 and 12102020101105.

It is not an unprimeable number, because it can be changed into a prime (12102020101181) 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, 4812431 + ... + 6882116.

It is an arithmetic number, because the mean of its divisors is an integer number (1518770948760).

Almost surely, 2^{12102020101121} is an apocalyptic number.

It is an amenable number.

12102020101121 is a deficient number, since it is larger than the sum of its proper divisors (48147488959).

12102020101121 is a wasteful number, since it uses less digits than its factorization.

12102020101121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11698663.

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

Adding to 12102020101121 its reverse (12110102020121), we get a palindrome (24212122121242).

The spelling of 12102020101121 in words is "twelve trillion, one hundred two billion, twenty million, one hundred one thousand, one hundred twenty-one".