201101111220041 has 2 divisors, whose sum is σ = 201101111220042. Its totient is φ = 201101111220040.

The previous prime is 201101111219999. The next prime is 201101111220071. The reversal of 201101111220041 is 140022111101102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 198849622974025 + 2251488246016 = 14101405^2 + 1500496^2 .

It is a cyclic number.

It is not a de Polignac number, because 201101111220041 - 2²² = 201101107025737 is a prime.

It is not a weakly prime, because it can be changed into another prime (201101111220071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100550555610020 + 100550555610021.

It is an arithmetic number, because the mean of its divisors is an integer number (100550555610021).

Almost surely, 2^{201101111220041} is an apocalyptic number.

It is an amenable number.

201101111220041 is a deficient number, since it is larger than the sum of its proper divisors (1).

201101111220041 is an equidigital number, since it uses as much as digits as its factorization.

201101111220041 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 201101111220041 its reverse (140022111101102), we get a palindrome (341123222321143).

The spelling of 201101111220041 in words is "two hundred one trillion, one hundred one billion, one hundred eleven million, two hundred twenty thousand, forty-one".