201091109341 has 2 divisors, whose sum is σ = 201091109342. Its totient is φ = 201091109340.

The previous prime is 201091109291. The next prime is 201091109407. The reversal of 201091109341 is 143901190102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 144943911225 + 56147198116 = 380715^2 + 236954^2 .

It is a cyclic number.

It is not a de Polignac number, because 201091109341 - 2¹⁵ = 201091076573 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201091109741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100545554670 + 100545554671.

It is an arithmetic number, because the mean of its divisors is an integer number (100545554671).

Almost surely, 2^201091109341 is an apocalyptic number.

It is an amenable number.

201091109341 is a deficient number, since it is larger than the sum of its proper divisors (1).

201091109341 is an equidigital number, since it uses as much as digits as its factorization.

201091109341 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1944, while the sum is 31.

Adding to 201091109341 its reverse (143901190102), we get a palindrome (344992299443).

The spelling of 201091109341 in words is "two hundred one billion, ninety-one million, one hundred nine thousand, three hundred forty-one".