121110001100221 has 8 divisors (see below), whose sum is σ = 138412500826304. Its totient is φ = 103807769123520.

The previous prime is 121110001100183. The next prime is 121110001100261. The reversal of 121110001100221 is 122001100011121.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 121110001100221 - 2¹¹ = 121110001098173 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121110001100261) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65967135 + ... + 67778188.

It is an arithmetic number, because the mean of its divisors is an integer number (17301562603288).

Almost surely, 2^{121110001100221} is an apocalyptic number.

It is an amenable number.

121110001100221 is a deficient number, since it is larger than the sum of its proper divisors (17302499726083).

121110001100221 is a wasteful number, since it uses less digits than its factorization.

121110001100221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133874691.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 121110001100221 its reverse (122001100011121), we get a palindrome (243111101111342).

The spelling of 121110001100221 in words is "one hundred twenty-one trillion, one hundred ten billion, one million, one hundred thousand, two hundred twenty-one".