121013433403 has 4 divisors (see below), whose sum is σ = 128131870680. Its totient is φ = 113894996128.

The previous prime is 121013433337. The next prime is 121013433439. The reversal of 121013433403 is 304334310121.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121013433403 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121013434403) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3559218613 + ... + 3559218646.

It is an arithmetic number, because the mean of its divisors is an integer number (32032967670).

Almost surely, 2^121013433403 is an apocalyptic number.

121013433403 is a deficient number, since it is larger than the sum of its proper divisors (7118437277).

121013433403 is an equidigital number, since it uses as much as digits as its factorization.

121013433403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7118437276.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 121013433403 its reverse (304334310121), we get a palindrome (425347743524).

The spelling of 121013433403 in words is "one hundred twenty-one billion, thirteen million, four hundred thirty-three thousand, four hundred three".