11101112202020 has 24 divisors (see below), whose sum is σ = 23312398637304. Its totient is φ = 4440432878336.

The previous prime is 11101112202013. The next prime is 11101112202071. The reversal of 11101112202020 is 2020221110111.

It can be written as a sum of positive squares in 4 ways, for example, as 2766447133696 + 8334665068324 = 1663264^2 + 2886982^2 .

It is a junction number, because it is equal to n+sod(n) for n = 11101112201986 and 11101112202004.

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, 12831854 + ... + 13669626.

It is an arithmetic number, because the mean of its divisors is an integer number (971349943221).

Almost surely, 2^{11101112202020} is an apocalyptic number.

11101112202020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11101112202020 is an abundant number, since it is smaller than the sum of its proper divisors (12211286435284).

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

11101112202020 is a wasteful number, since it uses less digits than its factorization.

11101112202020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1500319 (or 1500317 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 11101112202020 its reverse (2020221110111), we get a palindrome (13121333312131).

The spelling of 11101112202020 in words is "eleven trillion, one hundred one billion, one hundred twelve million, two hundred two thousand, twenty".