20032411521121 has 2 divisors, whose sum is σ = 20032411521122. Its totient is φ = 20032411521120.

The previous prime is 20032411521071. The next prime is 20032411521137. The reversal of 20032411521121 is 12112511423002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18804703200721 + 1227708320400 = 4336439^2 + 1108020^2 .

It is a cyclic number.

It is not a de Polignac number, because 20032411521121 - 2⁷ = 20032411520993 is a prime.

It is a super-2 number, since 2×20032411521121² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (20032414521121) 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, 10016205760560 + 10016205760561.

It is an arithmetic number, because the mean of its divisors is an integer number (10016205760561).

Almost surely, 2^{20032411521121} is an apocalyptic number.

It is an amenable number.

20032411521121 is a deficient number, since it is larger than the sum of its proper divisors (1).

20032411521121 is an equidigital number, since it uses as much as digits as its factorization.

20032411521121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 960, while the sum is 25.

Adding to 20032411521121 its reverse (12112511423002), we get a palindrome (32144922944123).

The spelling of 20032411521121 in words is "twenty trillion, thirty-two billion, four hundred eleven million, five hundred twenty-one thousand, one hundred twenty-one".