202020201101611 has 2 divisors, whose sum is σ = 202020201101612. Its totient is φ = 202020201101610.

The previous prime is 202020201101561. The next prime is 202020201101629. The reversal of 202020201101611 is 116101102020202.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 202020201101611 - 2²⁵ = 202020167547179 is a prime.

It is not a weakly prime, because it can be changed into another prime (202020201101671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101010100550805 + 101010100550806.

It is an arithmetic number, because the mean of its divisors is an integer number (101010100550806).

Almost surely, 2^{202020201101611} is an apocalyptic number.

202020201101611 is a deficient number, since it is larger than the sum of its proper divisors (1).

202020201101611 is an equidigital number, since it uses as much as digits as its factorization.

202020201101611 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 202020201101611 its reverse (116101102020202), we get a palindrome (318121303121813).

The spelling of 202020201101611 in words is "two hundred two trillion, twenty billion, two hundred one million, one hundred one thousand, six hundred eleven".