11001310021320 has 128 divisors (see below), whose sum is σ = 33060478631040. Its totient is φ = 2928660019200.

The previous prime is 11001310021313. The next prime is 11001310021357. The reversal of 11001310021320 is 2312001310011.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 11001310021320.

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, 189508219 + ... + 189566261.

It is an arithmetic number, because the mean of its divisors is an integer number (258284989305).

Almost surely, 2^{11001310021320} is an apocalyptic number.

11001310021320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11001310021320 is an abundant number, since it is smaller than the sum of its proper divisors (22059168609720).

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

11001310021320 is a wasteful number, since it uses less digits than its factorization.

11001310021320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60735 (or 60731 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 11001310021320 its reverse (2312001310011), we get a palindrome (13313311331331).

The spelling of 11001310021320 in words is "eleven trillion, one billion, three hundred ten million, twenty-one thousand, three hundred twenty".