101320000000 has 320 divisors, whose sum is σ = 269735637600. Its totient is φ = 37888000000.

The previous prime is 101319999961. The next prime is 101320000009. The reversal of 101320000000 is 23101.

It can be written as a sum of positive squares in 16 ways, for example, as 98274726144 + 3045273856 = 313488^2 + 55184^2 .

It is a tau number, because it is divible by the number of its divisors (320).

It is not an unprimeable number, because it can be changed into a prime (101320000009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 679999926 + ... + 680000074.

Almost surely, 2^101320000000 is an apocalyptic number.

101320000000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 101320000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (134867818800).

101320000000 is an abundant number, since it is smaller than the sum of its proper divisors (168415637600).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

101320000000 is an frugal number, since it uses more digits than its factorization.

101320000000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219 (or 173 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 7.

Adding to 101320000000 its reverse (23101), we get a palindrome (101320023101).

The spelling of 101320000000 in words is "one hundred one billion, three hundred twenty million", and thus it is an aban number.