111011100089 has 2 divisors, whose sum is σ = 111011100090. Its totient is φ = 111011100088.

The previous prime is 111011100029. The next prime is 111011100131. The reversal of 111011100089 is 980001110111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 63268850089 + 47742250000 = 251533^2 + 218500^2 .

It is a cyclic number.

It is not a de Polignac number, because 111011100089 - 2¹⁶ = 111011034553 is a prime.

It is not a weakly prime, because it can be changed into another prime (111011100029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55505550044 + 55505550045.

It is an arithmetic number, because the mean of its divisors is an integer number (55505550045).

Almost surely, 2^111011100089 is an apocalyptic number.

It is an amenable number.

111011100089 is a deficient number, since it is larger than the sum of its proper divisors (1).

111011100089 is an equidigital number, since it uses as much as digits as its factorization.

111011100089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 23.

The spelling of 111011100089 in words is "one hundred eleven billion, eleven million, one hundred thousand, eighty-nine".