11101032020221 has 64 divisors (see below), whose sum is σ = 13459348094976. Its totient is φ = 9021563424000.

The previous prime is 11101032020189. The next prime is 11101032020233. The reversal of 11101032020221 is 12202023010111.

11101032020221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 11101032020221 - 2⁵ = 11101032020189 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11101032020195 and 11101032020204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11101032020621) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1400403760 + ... + 1400411686.

It is an arithmetic number, because the mean of its divisors is an integer number (210302313984).

Almost surely, 2^{11101032020221} is an apocalyptic number.

11101032020221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11101032020221 is a deficient number, since it is larger than the sum of its proper divisors (2358316074755).

11101032020221 is a wasteful number, since it uses less digits than its factorization.

11101032020221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10162.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 11101032020221 its reverse (12202023010111), we get a palindrome (23303055030332).

The spelling of 11101032020221 in words is "eleven trillion, one hundred one billion, thirty-two million, twenty thousand, two hundred twenty-one".