11102021201020 has 24 divisors (see below), whose sum is σ = 23316599674368. Its totient is φ = 4440359880000.

The previous prime is 11102021201009. The next prime is 11102021201041. The reversal of 11102021201020 is 2010212020111.

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, 27834556 + ... + 28230595.

It is an arithmetic number, because the mean of its divisors is an integer number (971524986432).

Almost surely, 2^{11102021201020} is an apocalyptic number.

11102021201020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11102021201020 is an abundant number, since it is smaller than the sum of its proper divisors (12214578473348).

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

11102021201020 is a wasteful number, since it uses less digits than its factorization.

11102021201020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56075061 (or 56075059 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 11102021201020 its reverse (2010212020111), we get a palindrome (13112233221131).

The spelling of 11102021201020 in words is "eleven trillion, one hundred two billion, twenty-one million, two hundred one thousand, twenty".