11011112010020 has 24 divisors (see below), whose sum is σ = 23361720124344. Its totient is φ = 4359038155776.

The previous prime is 11011112009999. The next prime is 11011112010037. The reversal of 11011112010020 is 2001021111011.

It can be written as a sum of positive squares in 4 ways, for example, as 227664488164 + 10783447521856 = 477142^2 + 3283816^2 .

It is a junction number, because it is equal to n+sod(n) for n = 11011112009983 and 11011112010010.

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, 2837913527 + ... + 2837917406.

It is an arithmetic number, because the mean of its divisors is an integer number (973405005181).

Almost surely, 2^{11011112010020} is an apocalyptic number.

11011112010020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11011112010020 is an abundant number, since it is smaller than the sum of its proper divisors (12350608114324).

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

11011112010020 is a wasteful number, since it uses less digits than its factorization.

11011112010020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5675831039 (or 5675831037 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 11011112010020 its reverse (2001021111011), we get a palindrome (13012133121031).

The spelling of 11011112010020 in words is "eleven trillion, eleven billion, one hundred twelve million, ten thousand, twenty".