111211040089 has 2 divisors, whose sum is σ = 111211040090. Its totient is φ = 111211040088.

The previous prime is 111211040081. The next prime is 111211040093. The reversal of 111211040089 is 980040112111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 111195571600 + 15468489 = 333460^2 + 3933^2 .

It is a cyclic number.

It is not a de Polignac number, because 111211040089 - 2³ = 111211040081 is a prime.

It is not a weakly prime, because it can be changed into another prime (111211040081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55605520044 + 55605520045.

It is an arithmetic number, because the mean of its divisors is an integer number (55605520045).

Almost surely, 2^111211040089 is an apocalyptic number.

It is an amenable number.

111211040089 is a deficient number, since it is larger than the sum of its proper divisors (1).

111211040089 is an equidigital number, since it uses as much as digits as its factorization.

111211040089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 28.

The spelling of 111211040089 in words is "one hundred eleven billion, two hundred eleven million, forty thousand, eighty-nine".