121341030103 has 32 divisors (see below), whose sum is σ = 131687424000. Its totient is φ = 111513235680.

The previous prime is 121341030061. The next prime is 121341030127. The reversal of 121341030103 is 301030143121.

It is a cyclic number.

It is not a de Polignac number, because 121341030103 - 2¹³ = 121341021911 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 (121341039103) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 35037550 + ... + 35041012.

It is an arithmetic number, because the mean of its divisors is an integer number (4115232000).

Almost surely, 2^121341030103 is an apocalyptic number.

121341030103 is a deficient number, since it is larger than the sum of its proper divisors (10346393897).

121341030103 is a wasteful number, since it uses less digits than its factorization.

121341030103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4099.

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

Adding to 121341030103 its reverse (301030143121), we get a palindrome (422371173224).

The spelling of 121341030103 in words is "one hundred twenty-one billion, three hundred forty-one million, thirty thousand, one hundred three".