11331202001320 has 128 divisors (see below), whose sum is σ = 26480731092480. Its totient is φ = 4360552704000.

The previous prime is 11331202001309. The next prime is 11331202001323. The reversal of 11331202001320 is 2310020213311.

It is a super-2 number, since 2×11331202001320² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11331202001323) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 73563985 + ... + 73717855.

It is an arithmetic number, because the mean of its divisors is an integer number (206880711660).

Almost surely, 2^{11331202001320} is an apocalyptic number.

11331202001320 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 11331202001320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13240365546240).

11331202001320 is an abundant number, since it is smaller than the sum of its proper divisors (15149529091160).

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

11331202001320 is a wasteful number, since it uses less digits than its factorization.

11331202001320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154547 (or 154543 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 11331202001320 its reverse (2310020213311), we get a palindrome (13641222214631).

The spelling of 11331202001320 in words is "eleven trillion, three hundred thirty-one billion, two hundred two million, one thousand, three hundred twenty".