110201221110121 has 4 divisors (see below), whose sum is σ = 110201281650772. Its totient is φ = 110201160569472.

The previous prime is 110201221110017. The next prime is 110201221110187. The reversal of 110201221110121 is 121011122102011.

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 9322097410521 + 100879123699600 = 3053211^2 + 10043860^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-110201221110121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 110201221110095 and 110201221110104.

It is not an unprimeable number, because it can be changed into a prime (110201221410121) 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, 27452460 + ... + 31209613.

It is an arithmetic number, because the mean of its divisors is an integer number (27550320412693).

Almost surely, 2^{110201221110121} is an apocalyptic number.

It is an amenable number.

110201221110121 is a deficient number, since it is larger than the sum of its proper divisors (60540651).

110201221110121 is an equidigital number, since it uses as much as digits as its factorization.

110201221110121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60540650.

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

Adding to 110201221110121 its reverse (121011122102011), we get a palindrome (231212343212132).

The spelling of 110201221110121 in words is "one hundred ten trillion, two hundred one billion, two hundred twenty-one million, one hundred ten thousand, one hundred twenty-one".