20096191121 has 2 divisors, whose sum is σ = 20096191122. Its totient is φ = 20096191120.

The previous prime is 20096191081. The next prime is 20096191133. The reversal of 20096191121 is 12119169002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20096181121 + 10000 = 141761^2 + 100^2 .

It is a cyclic number.

It is not a de Polignac number, because 20096191121 - 2⁶ = 20096191057 is a prime.

It is not a weakly prime, because it can be changed into another prime (20096194121) 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, 10048095560 + 10048095561.

It is an arithmetic number, because the mean of its divisors is an integer number (10048095561).

Almost surely, 2^20096191121 is an apocalyptic number.

It is an amenable number.

20096191121 is a deficient number, since it is larger than the sum of its proper divisors (1).

20096191121 is an equidigital number, since it uses as much as digits as its factorization.

20096191121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1944, while the sum is 32.

The spelling of 20096191121 in words is "twenty billion, ninety-six million, one hundred ninety-one thousand, one hundred twenty-one".