89111101001 has 8 divisors (see below), whose sum is σ = 96096733320. Its totient is φ = 82144173312.

The previous prime is 89111100971. The next prime is 89111101039. The reversal of 89111101001 is 10010111198.

It can be written as a sum of positive squares in 4 ways, for example, as 14232251401 + 74878849600 = 119299^2 + 273640^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 89111101001 - 2¹⁸ = 89110838857 is a prime.

It is a super-2 number, since 2×89111101001² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (89111101301) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4666256 + ... + 4685313.

It is an arithmetic number, because the mean of its divisors is an integer number (12012091665).

Almost surely, 2^89111101001 is an apocalyptic number.

It is an amenable number.

89111101001 is a deficient number, since it is larger than the sum of its proper divisors (6985632319).

89111101001 is a wasteful number, since it uses less digits than its factorization.

89111101001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9352315.

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

Adding to 89111101001 its reverse (10010111198), we get a palindrome (99121212199).

The spelling of 89111101001 in words is "eighty-nine billion, one hundred eleven million, one hundred one thousand, one".