11112110020091 has 2 divisors, whose sum is σ = 11112110020092. Its totient is φ = 11112110020090.

The previous prime is 11112110020079. The next prime is 11112110020129. The reversal of 11112110020091 is 19002001121111.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11112110020091 is a prime.

It is not a weakly prime, because it can be changed into another prime (11112110020061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5556055010045 + 5556055010046.

It is an arithmetic number, because the mean of its divisors is an integer number (5556055010046).

Almost surely, 2^{11112110020091} is an apocalyptic number.

11112110020091 is a deficient number, since it is larger than the sum of its proper divisors (1).

11112110020091 is an equidigital number, since it uses as much as digits as its factorization.

11112110020091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36, while the sum is 20.

The spelling of 11112110020091 in words is "eleven trillion, one hundred twelve billion, one hundred ten million, twenty thousand, ninety-one".