11420121941 has 2 divisors, whose sum is σ = 11420121942. Its totient is φ = 11420121940.

The previous prime is 11420121917. The next prime is 11420122031. The reversal of 11420121941 is 14912102411.

11420121941 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9693387025 + 1726734916 = 98455^2 + 41554^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11420121941 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 11420121941.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11420121541) 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, 5710060970 + 5710060971.

It is an arithmetic number, because the mean of its divisors is an integer number (5710060971).

Almost surely, 2^11420121941 is an apocalyptic number.

It is an amenable number.

11420121941 is a deficient number, since it is larger than the sum of its proper divisors (1).

11420121941 is an equidigital number, since it uses as much as digits as its factorization.

11420121941 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 26.

The spelling of 11420121941 in words is "eleven billion, four hundred twenty million, one hundred twenty-one thousand, nine hundred forty-one".