11102020121320 has 32 divisors (see below), whose sum is σ = 25045454397600. Its totient is φ = 4429090870848.

The previous prime is 11102020121317. The next prime is 11102020121321. The reversal of 11102020121320 is 2312102020111.

It is a junction number, because it is equal to n+sod(n) for n = 11102020121294 and 11102020121303.

It is not an unprimeable number, because it can be changed into a prime (11102020121321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 366146454 + ... + 366176773.

It is an arithmetic number, because the mean of its divisors is an integer number (782670449925).

Almost surely, 2^{11102020121320} is an apocalyptic number.

11102020121320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11102020121320 is an abundant number, since it is smaller than the sum of its proper divisors (13943434276280).

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

11102020121320 is a wasteful number, since it uses less digits than its factorization.

11102020121320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 732323617 (or 732323613 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 11102020121320 its reverse (2312102020111), we get a palindrome (13414122141431).

The spelling of 11102020121320 in words is "eleven trillion, one hundred two billion, twenty million, one hundred twenty-one thousand, three hundred twenty".