121100333103 has 6 divisors (see below), whose sum is σ = 174922703384. Its totient is φ = 80733555396.

The previous prime is 121100333077. The next prime is 121100333113. The reversal of 121100333103 is 301333001121.

It is a happy number.

It is not a de Polignac number, because 121100333103 - 2¹⁰ = 121100332079 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 (121100333113) 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, 6727796275 + ... + 6727796292.

Almost surely, 2^121100333103 is an apocalyptic number.

121100333103 is a deficient number, since it is larger than the sum of its proper divisors (53822370281).

121100333103 is a wasteful number, since it uses less digits than its factorization.

121100333103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13455592573 (or 13455592570 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

Adding to 121100333103 its reverse (301333001121), we get a palindrome (422433334224).

The spelling of 121100333103 in words is "one hundred twenty-one billion, one hundred million, three hundred thirty-three thousand, one hundred three".