121030013203 has 6 divisors (see below), whose sum is σ = 133032989852. Its totient is φ = 110027284620.

The previous prime is 121030013191. The next prime is 121030013207. The reversal of 121030013203 is 302310030121.

It is not a de Polignac number, because 121030013203 - 2⁵ = 121030013171 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121030013207) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 500123901 + ... + 500124142.

Almost surely, 2^121030013203 is an apocalyptic number.

121030013203 is a deficient number, since it is larger than the sum of its proper divisors (12002976649).

121030013203 is a wasteful number, since it uses less digits than its factorization.

121030013203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1000248065 (or 1000248054 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 121030013203 its reverse (302310030121), we get a palindrome (423340043324).

The spelling of 121030013203 in words is "one hundred twenty-one billion, thirty million, thirteen thousand, two hundred three".