121330212103 has 8 divisors (see below), whose sum is σ = 127760710320. Its totient is φ = 114904183680.

The previous prime is 121330212089. The next prime is 121330212119. The reversal of 121330212103 is 301212033121.

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 121330212103 - 2⁹ = 121330211591 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121330212403) 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, 1061650 + ... + 1170367.

It is an arithmetic number, because the mean of its divisors is an integer number (15970088790).

Almost surely, 2^121330212103 is an apocalyptic number.

121330212103 is a deficient number, since it is larger than the sum of its proper divisors (6430498217).

121330212103 is a wasteful number, since it uses less digits than its factorization.

121330212103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2234897.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 121330212103 its reverse (301212033121), we get a palindrome (422542245224).

The spelling of 121330212103 in words is "one hundred twenty-one billion, three hundred thirty million, two hundred twelve thousand, one hundred three".