121113022221103 has 6 divisors (see below), whose sum is σ = 133124231036552. Its totient is φ = 110102747473620.

The previous prime is 121113022221029. The next prime is 121113022221127. The reversal of 121113022221103 is 301122220311121.

It is a happy number.

It is not a de Polignac number, because 121113022221103 - 2¹⁷ = 121113022090031 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 (121113022221133) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 500467033851 + ... + 500467034092.

Almost surely, 2^{121113022221103} is an apocalyptic number.

121113022221103 is a deficient number, since it is larger than the sum of its proper divisors (12011208815449).

121113022221103 is a wasteful number, since it uses less digits than its factorization.

121113022221103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1000934067965 (or 1000934067954 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 22.

Adding to 121113022221103 its reverse (301122220311121), we get a palindrome (422235242532224).

The spelling of 121113022221103 in words is "one hundred twenty-one trillion, one hundred thirteen billion, twenty-two million, two hundred twenty-one thousand, one hundred three".