20001122041 has 2 divisors, whose sum is σ = 20001122042. Its totient is φ = 20001122040.

The previous prime is 20001121997. The next prime is 20001122059. The reversal of 20001122041 is 14022110002.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19920499600 + 80622441 = 141140^2 + 8979^2 .

It is a cyclic number.

It is not a de Polignac number, because 20001122041 - 2²⁷ = 19866904313 is a prime.

It is not a weakly prime, because it can be changed into another prime (20007122041) 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, 10000561020 + 10000561021.

It is an arithmetic number, because the mean of its divisors is an integer number (10000561021).

Almost surely, 2^20001122041 is an apocalyptic number.

It is an amenable number.

20001122041 is a deficient number, since it is larger than the sum of its proper divisors (1).

20001122041 is an equidigital number, since it uses as much as digits as its factorization.

20001122041 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 20001122041 its reverse (14022110002), we get a palindrome (34023232043).

The spelling of 20001122041 in words is "twenty billion, one million, one hundred twenty-two thousand, forty-one".