11433420121 has 2 divisors, whose sum is σ = 11433420122. Its totient is φ = 11433420120.

The previous prime is 11433420109. The next prime is 11433420133. The reversal of 11433420121 is 12102433411.

11433420121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a balanced prime because it is at equal distance from previous prime (11433420109) and next prime (11433420133).

It can be written as a sum of positive squares in only one way, i.e., 11419914496 + 13505625 = 106864^2 + 3675^2 .

It is a cyclic number.

It is not a de Polignac number, because 11433420121 - 2³³ = 2843485529 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11433420092 and 11433420101.

It is not a weakly prime, because it can be changed into another prime (11433420101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5716710060 + 5716710061.

It is an arithmetic number, because the mean of its divisors is an integer number (5716710061).

Almost surely, 2^11433420121 is an apocalyptic number.

It is an amenable number.

11433420121 is a deficient number, since it is larger than the sum of its proper divisors (1).

11433420121 is an equidigital number, since it uses as much as digits as its factorization.

11433420121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 11433420121 its reverse (12102433411), we get a palindrome (23535853532).

The spelling of 11433420121 in words is "eleven billion, four hundred thirty-three million, four hundred twenty thousand, one hundred twenty-one".