11003320123020 has 144 divisors (see below), whose sum is σ = 35951381286912. Its totient is φ = 2716107039360.

The previous prime is 11003320123009. The next prime is 11003320123057. The reversal of 11003320123020 is 2032102330011.

11003320123020 is a `hidden beast` number, since 1 + 100 + 332 + 0 + 1 + 230 + 2 + 0 = 666.

11003320123020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 = 11003320122984 and 11003320123002.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 42739512 + ... + 42996191.

It is an arithmetic number, because the mean of its divisors is an integer number (249662370048).

Almost surely, 2^{11003320123020} is an apocalyptic number.

11003320123020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11003320123020 is an abundant number, since it is smaller than the sum of its proper divisors (24948061163892).

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

11003320123020 is a wasteful number, since it uses less digits than its factorization.

11003320123020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85735772 (or 85735767 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 11003320123020 its reverse (2032102330011), we get a palindrome (13035422453031).

The spelling of 11003320123020 in words is "eleven trillion, three billion, three hundred twenty million, one hundred twenty-three thousand, twenty".