121112320103 has 8 divisors (see below), whose sum is σ = 127493982720. Its totient is φ = 114731390520.

The previous prime is 121112320099. The next prime is 121112320169. The reversal of 121112320103 is 301023211121.

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 121112320103 - 2² = 121112320099 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 (121112320603) 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, 173738 + ... + 521928.

It is an arithmetic number, because the mean of its divisors is an integer number (15936747840).

Almost surely, 2^121112320103 is an apocalyptic number.

121112320103 is a deficient number, since it is larger than the sum of its proper divisors (6381662617).

121112320103 is a wasteful number, since it uses less digits than its factorization.

121112320103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 366517.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 121112320103 its reverse (301023211121), we get a palindrome (422135531224).

The spelling of 121112320103 in words is "one hundred twenty-one billion, one hundred twelve million, three hundred twenty thousand, one hundred three".