110201011091 has 2 divisors, whose sum is σ = 110201011092. Its totient is φ = 110201011090.

The previous prime is 110201011079. The next prime is 110201011111. The reversal of 110201011091 is 190110102011.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 110201011091 - 2²² = 110196816787 is a prime.

It is not a weakly prime, because it can be changed into another prime (110201011001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55100505545 + 55100505546.

It is an arithmetic number, because the mean of its divisors is an integer number (55100505546).

Almost surely, 2^110201011091 is an apocalyptic number.

110201011091 is a deficient number, since it is larger than the sum of its proper divisors (1).

110201011091 is an equidigital number, since it uses as much as digits as its factorization.

110201011091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18, while the sum is 17.

The spelling of 110201011091 in words is "one hundred ten billion, two hundred one million, eleven thousand, ninety-one".