11101120100020 has 48 divisors (see below), whose sum is σ = 23595213479040. Its totient is φ = 4386578727296.

The previous prime is 11101120100011. The next prime is 11101120100029. The reversal of 11101120100020 is 2000102110111.

11101120100020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (11101120100011) and next prime (11101120100029).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11101120100029) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19841634 + ... + 20393446.

It is an arithmetic number, because the mean of its divisors is an integer number (491566947480).

Almost surely, 2^{11101120100020} is an apocalyptic number.

11101120100020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11101120100020 is an abundant number, since it is smaller than the sum of its proper divisors (12494093379020).

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

11101120100020 is a wasteful number, since it uses less digits than its factorization.

11101120100020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 564024 (or 564022 counting only the distinct ones).

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

Adding to 11101120100020 its reverse (2000102110111), we get a palindrome (13101222210131).

The spelling of 11101120100020 in words is "eleven trillion, one hundred one billion, one hundred twenty million, one hundred thousand, twenty".