121233103603 has 2 divisors, whose sum is σ = 121233103604. Its totient is φ = 121233103602.

The previous prime is 121233103501. The next prime is 121233103633. The reversal of 121233103603 is 306301332121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 121233103603 - 2¹³ = 121233095411 is a prime.

It is not a weakly prime, because it can be changed into another prime (121233103633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60616551801 + 60616551802.

It is an arithmetic number, because the mean of its divisors is an integer number (60616551802).

Almost surely, 2^121233103603 is an apocalyptic number.

121233103603 is a deficient number, since it is larger than the sum of its proper divisors (1).

121233103603 is an equidigital number, since it uses as much as digits as its factorization.

121233103603 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 121233103603 its reverse (306301332121), we get a palindrome (427534435724).

The spelling of 121233103603 in words is "one hundred twenty-one billion, two hundred thirty-three million, one hundred three thousand, six hundred three".