101101111989 has 16 divisors (see below), whose sum is σ = 139491875520. Its totient is φ = 65056947200.

The previous prime is 101101111967. The next prime is 101101111999. The reversal of 101101111989 is 989111101101.

It is a cyclic number.

It is not a de Polignac number, because 101101111989 - 2⁵ = 101101111957 is a prime.

It is a super-2 number, since 2×101101111989² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101101111999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 117589 + ... + 464789.

It is an arithmetic number, because the mean of its divisors is an integer number (8718242220).

Almost surely, 2^101101111989 is an apocalyptic number.

It is an amenable number.

101101111989 is a deficient number, since it is larger than the sum of its proper divisors (38390763531).

101101111989 is a wasteful number, since it uses less digits than its factorization.

101101111989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 350580.

The product of its (nonzero) digits is 648, while the sum is 33.

The spelling of 101101111989 in words is "one hundred one billion, one hundred one million, one hundred eleven thousand, nine hundred eighty-nine".