11100413921 has 2 divisors, whose sum is σ = 11100413922. Its totient is φ = 11100413920.

The previous prime is 11100413917. The next prime is 11100413953. The reversal of 11100413921 is 12931400111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10149555025 + 950858896 = 100745^2 + 30836^2 .

It is a cyclic number.

It is not a de Polignac number, because 11100413921 - 2² = 11100413917 is a prime.

It is not a weakly prime, because it can be changed into another prime (11100413981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5550206960 + 5550206961.

It is an arithmetic number, because the mean of its divisors is an integer number (5550206961).

Almost surely, 2^11100413921 is an apocalyptic number.

It is an amenable number.

11100413921 is a deficient number, since it is larger than the sum of its proper divisors (1).

11100413921 is an equidigital number, since it uses as much as digits as its factorization.

11100413921 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 23.

The spelling of 11100413921 in words is "eleven billion, one hundred million, four hundred thirteen thousand, nine hundred twenty-one".