201101134320 has 160 divisors (see below), whose sum is σ = 696309719040. Its totient is φ = 53346090240.

The previous prime is 201101134261. The next prime is 201101134361. The reversal of 201101134320 is 23431101102.

201101134320 is a `hidden beast` number, since 201 + 10 + 1 + 134 + 320 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 201101134293 and 201101134302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 168837 + ... + 656283.

It is an arithmetic number, because the mean of its divisors is an integer number (4351935744).

Almost surely, 2^201101134320 is an apocalyptic number.

201101134320 is a gapful number since it is divisible by the number (20) 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 201101134320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (348154859520).

201101134320 is an abundant number, since it is smaller than the sum of its proper divisors (495208584720).

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

201101134320 is a wasteful number, since it uses less digits than its factorization.

201101134320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 487660 (or 487648 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 201101134320 its reverse (23431101102), we get a palindrome (224532235422).

The spelling of 201101134320 in words is "two hundred one billion, one hundred one million, one hundred thirty-four thousand, three hundred twenty".