11121002010020 has 24 divisors (see below), whose sum is σ = 26690404824384. Its totient is φ = 3812914974816.

The previous prime is 11121002009963. The next prime is 11121002010037. The reversal of 11121002010020 is 2001020012111.

It is a junction number, because it is equal to n+sod(n) for n = 11121002009983 and 11121002010010.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39717864182 + ... + 39717864461.

It is an arithmetic number, because the mean of its divisors is an integer number (1112100201016).

Almost surely, 2^{11121002010020} is an apocalyptic number.

11121002010020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11121002010020 is an abundant number, since it is smaller than the sum of its proper divisors (15569402814364).

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

11121002010020 is a wasteful number, since it uses less digits than its factorization.

11121002010020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79435728659 (or 79435728657 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 11121002010020 its reverse (2001020012111), we get a palindrome (13122022022131).

The spelling of 11121002010020 in words is "eleven trillion, one hundred twenty-one billion, two million, ten thousand, twenty".