121300331203 has 4 divisors (see below), whose sum is σ = 123356269080. Its totient is φ = 119244393328.

The previous prime is 121300331171. The next prime is 121300331209. The reversal of 121300331203 is 302133003121.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 302133003121 = 23 ⋅13136217527.

It is a cyclic number.

It is not a de Polignac number, because 121300331203 - 2⁵ = 121300331171 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121300331209) 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, 1027968850 + ... + 1027968967.

It is an arithmetic number, because the mean of its divisors is an integer number (30839067270).

Almost surely, 2^121300331203 is an apocalyptic number.

121300331203 is a deficient number, since it is larger than the sum of its proper divisors (2055937877).

121300331203 is an equidigital number, since it uses as much as digits as its factorization.

121300331203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2055937876.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 121300331203 its reverse (302133003121), we get a palindrome (423433334324).

The spelling of 121300331203 in words is "one hundred twenty-one billion, three hundred million, three hundred thirty-one thousand, two hundred three".