11101100210020 has 12 divisors (see below), whose sum is σ = 23312310441084. Its totient is φ = 4440440084000.

The previous prime is 11101100210003. The next prime is 11101100210029. The reversal of 11101100210020 is 2001200110111.

It can be written as a sum of positive squares in 2 ways, for example, as 4054496362084 + 7046603847936 = 2013578^2 + 2654544^2 .

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 = 11101100209979 and 11101100210006.

It is not an unprimeable number, because it can be changed into a prime (11101100210029) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 277527505231 + ... + 277527505270.

It is an arithmetic number, because the mean of its divisors is an integer number (1942692536757).

Almost surely, 2^{11101100210020} is an apocalyptic number.

11101100210020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11101100210020 is an abundant number, since it is smaller than the sum of its proper divisors (12211210231064).

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

11101100210020 is a wasteful number, since it uses less digits than its factorization.

11101100210020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 555055010510 (or 555055010508 counting only the distinct ones).

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

Adding to 11101100210020 its reverse (2001200110111), we get a palindrome (13102300320131).

Subtracting from 11101100210020 its reverse (2001200110111), we obtain a palindrome (9099900099909).

The spelling of 11101100210020 in words is "eleven trillion, one hundred one billion, one hundred million, two hundred ten thousand, twenty".