121304011 has 2 divisors, whose sum is σ = 121304012. Its totient is φ = 121304010.

The previous prime is 121304003. The next prime is 121304021. The reversal of 121304011 is 110403121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 121304011 - 2³ = 121304003 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 121303982 and 121304000.

It is not a weakly prime, because it can be changed into another prime (121304021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60652005 + 60652006.

It is an arithmetic number, because the mean of its divisors is an integer number (60652006).

Almost surely, 2^121304011 is an apocalyptic number.

121304011 is a deficient number, since it is larger than the sum of its proper divisors (1).

121304011 is an equidigital number, since it uses as much as digits as its factorization.

121304011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 121304011 is about 11013.8100128884. The cubic root of 121304011 is about 495.0226306696.

Adding to 121304011 its reverse (110403121), we get a palindrome (231707132).

The spelling of 121304011 in words is "one hundred twenty-one million, three hundred four thousand, eleven".