20011020212041 has 2 divisors, whose sum is σ = 20011020212042. Its totient is φ = 20011020212040.

The previous prime is 20011020212003. The next prime is 20011020212137. The reversal of 20011020212041 is 14021202011002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15932902492816 + 4078117719225 = 3991604^2 + 2019435^2 .

It is a cyclic number.

It is not a de Polignac number, because 20011020212041 - 2⁷ = 20011020211913 is a prime.

It is not a weakly prime, because it can be changed into another prime (20011020212441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10005510106020 + 10005510106021.

It is an arithmetic number, because the mean of its divisors is an integer number (10005510106021).

Almost surely, 2^{20011020212041} is an apocalyptic number.

It is an amenable number.

20011020212041 is a deficient number, since it is larger than the sum of its proper divisors (1).

20011020212041 is an equidigital number, since it uses as much as digits as its factorization.

20011020212041 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 20011020212041 its reverse (14021202011002), we get a palindrome (34032222223043).

The spelling of 20011020212041 in words is "twenty trillion, eleven billion, twenty million, two hundred twelve thousand, forty-one".