110201100091081 has 2 divisors, whose sum is σ = 110201100091082. Its totient is φ = 110201100091080.

The previous prime is 110201100091057. The next prime is 110201100091109. The reversal of 110201100091081 is 180190001102011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 100891156602681 + 9309943488400 = 10044459^2 + 3051220^2 .

It is a cyclic number.

It is not a de Polignac number, because 110201100091081 - 2⁹ = 110201100090569 is a prime.

It is a super-2 number, since 2×110201100091081² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (110201100091031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55100550045540 + 55100550045541.

It is an arithmetic number, because the mean of its divisors is an integer number (55100550045541).

Almost surely, 2^{110201100091081} is an apocalyptic number.

It is an amenable number.

110201100091081 is a deficient number, since it is larger than the sum of its proper divisors (1).

110201100091081 is an equidigital number, since it uses as much as digits as its factorization.

110201100091081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 25.

Adding to 110201100091081 its reverse (180190001102011), we get a palindrome (290391101193092).

The spelling of 110201100091081 in words is "one hundred ten trillion, two hundred one billion, one hundred million, ninety-one thousand, eighty-one".