120121110103 has 8 divisors (see below), whose sum is σ = 126185004000. Its totient is φ = 114127319328.

The previous prime is 120121110073. The next prime is 120121110119. The reversal of 120121110103 is 301011121021.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 120121110103 - 2⁵ = 120121110071 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 (120121140103) 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, 17522268 + ... + 17529121.

It is an arithmetic number, because the mean of its divisors is an integer number (15773125500).

Almost surely, 2^120121110103 is an apocalyptic number.

120121110103 is a deficient number, since it is larger than the sum of its proper divisors (6063893897).

120121110103 is a wasteful number, since it uses less digits than its factorization.

120121110103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35051561.

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 120121110103 its reverse (301011121021), we get a palindrome (421132231124).

The spelling of 120121110103 in words is "one hundred twenty billion, one hundred twenty-one million, one hundred ten thousand, one hundred three".