12202010110121 has 4 divisors (see below), whose sum is σ = 13140626272452. Its totient is φ = 11263393947792.

The previous prime is 12202010110111. The next prime is 12202010110187. The reversal of 12202010110121 is 12101101020221.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4567089555625 + 7634920554496 = 2137075^2 + 2763136^2 .

It is a cyclic number.

It is not a de Polignac number, because 12202010110121 - 2²² = 12202005915817 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12202010110096 and 12202010110105.

It is not an unprimeable number, because it can be changed into a prime (12202010110111) 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, 469308081146 + ... + 469308081171.

It is an arithmetic number, because the mean of its divisors is an integer number (3285156568113).

Almost surely, 2^{12202010110121} is an apocalyptic number.

It is an amenable number.

12202010110121 is a deficient number, since it is larger than the sum of its proper divisors (938616162331).

12202010110121 is an equidigital number, since it uses as much as digits as its factorization.

12202010110121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 938616162330.

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

Adding to 12202010110121 its reverse (12101101020221), we get a palindrome (24303111130342).

The spelling of 12202010110121 in words is "twelve trillion, two hundred two billion, ten million, one hundred ten thousand, one hundred twenty-one".