11011201020020 has 24 divisors (see below), whose sum is σ = 24483729327624. Its totient is φ = 4145393325056.

The previous prime is 11011201019999. The next prime is 11011201020091. The reversal of 11011201020020 is 2002010211011.

11011201020020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 1706712313744 + 9304488706276 = 1306412^2 + 3050326^2 .

It is a junction number, because it is equal to n+sod(n) for n = 11011201019983 and 11011201020010.

It is a congruent number.

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, 16192942337 + ... + 16192943016.

It is an arithmetic number, because the mean of its divisors is an integer number (1020155388651).

Almost surely, 2^{11011201020020} is an apocalyptic number.

11011201020020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11011201020020 is an abundant number, since it is smaller than the sum of its proper divisors (13472528307604).

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

11011201020020 is a wasteful number, since it uses less digits than its factorization.

11011201020020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32385885379 (or 32385885377 counting only the distinct ones).

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

Adding to 11011201020020 its reverse (2002010211011), we get a palindrome (13013211231031).

The spelling of 11011201020020 in words is "eleven trillion, eleven billion, two hundred one million, twenty thousand, twenty".