989010100001101 has 4 divisors (see below), whose sum is σ = 989847534464604. Its totient is φ = 988172665537600.

The previous prime is 989010100001059. The next prime is 989010100001113. The reversal of 989010100001101 is 101100001010989.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 936509946002500 + 52500153998601 = 30602450^2 + 7245699^2 .

It is a cyclic number.

It is not a de Polignac number, because 989010100001101 - 2³⁹ = 988460344187213 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 (989010100041101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 418717229980 + ... + 418717232341.

It is an arithmetic number, because the mean of its divisors is an integer number (247461883616151).

Almost surely, 2^{989010100001101} is an apocalyptic number.

It is an amenable number.

989010100001101 is a deficient number, since it is larger than the sum of its proper divisors (837434463503).

989010100001101 is a wasteful number, since it uses less digits than its factorization.

989010100001101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 837434463502.

The product of its (nonzero) digits is 648, while the sum is 31.

The spelling of 989010100001101 in words is "nine hundred eighty-nine trillion, ten billion, one hundred million, one thousand, one hundred one".