12020110201121 has 4 divisors (see below), whose sum is σ = 13112847492144. Its totient is φ = 10927372910100.

The previous prime is 12020110201087. The next prime is 12020110201217. The reversal of 12020110201121 is 12110201102021.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12020110201121 - 2¹⁰ = 12020110200097 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 12020110201096 and 12020110201105.

It is not an unprimeable number, because it can be changed into a prime (12020110200121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 546368645495 + ... + 546368645516.

It is an arithmetic number, because the mean of its divisors is an integer number (3278211873036).

Almost surely, 2^{12020110201121} is an apocalyptic number.

12020110201121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12020110201121 is a deficient number, since it is larger than the sum of its proper divisors (1092737291023).

12020110201121 is a wasteful number, since it uses less digits than its factorization.

12020110201121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1092737291022.

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

Adding to 12020110201121 its reverse (12110201102021), we get a palindrome (24130311303142).

The spelling of 12020110201121 in words is "twelve trillion, twenty billion, one hundred ten million, two hundred one thousand, one hundred twenty-one".