12110201210121 has 32 divisors (see below), whose sum is σ = 19428198773760. Its totient is φ = 6554779713216.

The previous prime is 12110201210089. The next prime is 12110201210147. The reversal of 12110201210121 is 12101210201121.

It is a happy number.

It is not a de Polignac number, because 12110201210121 - 2⁵ = 12110201210089 is a prime.

It is a super-2 number, since 2×12110201210121² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12110201210121.

It is not an unprimeable number, because it can be changed into a prime (12110201210021) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 245686 + ... + 4927551.

It is an arithmetic number, because the mean of its divisors is an integer number (607131211680).

Almost surely, 2^{12110201210121} is an apocalyptic number.

It is an amenable number.

12110201210121 is a deficient number, since it is larger than the sum of its proper divisors (7317997563639).

12110201210121 is a wasteful number, since it uses less digits than its factorization.

12110201210121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5179133.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 12110201210121 its reverse (12101210201121), we get a palindrome (24211411411242).

The spelling of 12110201210121 in words is "twelve trillion, one hundred ten billion, two hundred one million, two hundred ten thousand, one hundred twenty-one".