20113410091 has 2 divisors, whose sum is σ = 20113410092. Its totient is φ = 20113410090.

The previous prime is 20113410007. The next prime is 20113410101. The reversal of 20113410091 is 19001431102.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20113410091 - 2⁷ = 20113409963 is a prime.

It is not a weakly prime, because it can be changed into another prime (20113410391) 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, 10056705045 + 10056705046.

It is an arithmetic number, because the mean of its divisors is an integer number (10056705046).

Almost surely, 2^20113410091 is an apocalyptic number.

20113410091 is a deficient number, since it is larger than the sum of its proper divisors (1).

20113410091 is an equidigital number, since it uses as much as digits as its factorization.

20113410091 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 22.

Adding to 20113410091 its reverse (19001431102), we get a palindrome (39114841193).

The spelling of 20113410091 in words is "twenty billion, one hundred thirteen million, four hundred ten thousand, ninety-one".