111101001099989 has 4 divisors (see below), whose sum is σ = 111137899476000. Its totient is φ = 111064102723980.

The previous prime is 111101001099973. The next prime is 111101001099997. The reversal of 111101001099989 is 989990100101111.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 111101001099989 - 2⁴ = 111101001099973 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111101001099089) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18449183489 + ... + 18449189510.

It is an arithmetic number, because the mean of its divisors is an integer number (27784474869000).

Almost surely, 2^{111101001099989} is an apocalyptic number.

It is an amenable number.

111101001099989 is a deficient number, since it is larger than the sum of its proper divisors (36898376011).

111101001099989 is an equidigital number, since it uses as much as digits as its factorization.

111101001099989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36898376010.

The product of its (nonzero) digits is 52488, while the sum is 50.

The spelling of 111101001099989 in words is "one hundred eleven trillion, one hundred one billion, one million, ninety-nine thousand, nine hundred eighty-nine".