36110121102221 has 4 divisors (see below), whose sum is σ = 36110168360700. Its totient is φ = 36110073843744.

The previous prime is 36110121102203. The next prime is 36110121102227. The reversal of 36110121102221 is 12220112101163.

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 2906135058121 + 33203986044100 = 1704739^2 + 5762290^2 .

It is a cyclic number.

It is not a de Polignac number, because 36110121102221 - 2⁶ = 36110121102157 is a prime.

It is a super-2 number, since 2×36110121102221² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36110121102227) 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, 22463936 + ... + 24017673.

It is an arithmetic number, because the mean of its divisors is an integer number (9027542090175).

Almost surely, 2^{36110121102221} is an apocalyptic number.

It is an amenable number.

36110121102221 is a deficient number, since it is larger than the sum of its proper divisors (47258479).

36110121102221 is an equidigital number, since it uses as much as digits as its factorization.

36110121102221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47258478.

The product of its (nonzero) digits is 288, while the sum is 23.

Adding to 36110121102221 its reverse (12220112101163), we get a palindrome (48330233203384).

The spelling of 36110121102221 in words is "thirty-six trillion, one hundred ten billion, one hundred twenty-one million, one hundred two thousand, two hundred twenty-one".