11011110020020 has 96 divisors (see below), whose sum is σ = 26405926428672. Its totient is φ = 3820301520000.

The previous prime is 11011110019993. The next prime is 11011110020039. The reversal of 11011110020020 is 2002001111011.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 11011110019979 and 11011110020006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10885726 + ... + 11854165.

It is an arithmetic number, because the mean of its divisors is an integer number (275061733632).

Almost surely, 2^{11011110020020} is an apocalyptic number.

11011110020020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11011110020020 is an abundant number, since it is smaller than the sum of its proper divisors (15394816408652).

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

11011110020020 is a wasteful number, since it uses less digits than its factorization.

11011110020020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22740013 (or 22740011 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 11011110020020 its reverse (2002001111011), we get a palindrome (13013111131031).

The spelling of 11011110020020 in words is "eleven trillion, eleven billion, one hundred ten million, twenty thousand, twenty".