111201111020089 has 2 divisors, whose sum is σ = 111201111020090. Its totient is φ = 111201111020088.

The previous prime is 111201111020057. The next prime is 111201111020101. The reversal of 111201111020089 is 980020111102111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 110621697759225 + 579413260864 = 10517685^2 + 761192^2 .

It is a cyclic number.

It is not a de Polignac number, because 111201111020089 - 2⁵ = 111201111020057 is a prime.

It is not a weakly prime, because it can be changed into another prime (111201111024089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55600555510044 + 55600555510045.

It is an arithmetic number, because the mean of its divisors is an integer number (55600555510045).

Almost surely, 2^{111201111020089} is an apocalyptic number.

It is an amenable number.

111201111020089 is a deficient number, since it is larger than the sum of its proper divisors (1).

111201111020089 is an equidigital number, since it uses as much as digits as its factorization.

111201111020089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 28.

The spelling of 111201111020089 in words is "one hundred eleven trillion, two hundred one billion, one hundred eleven million, twenty thousand, eighty-nine".