11101101201021 has 8 divisors (see below), whose sum is σ = 15940042750240. Its totient is φ = 6831446892912.

The previous prime is 11101101201013. The next prime is 11101101201037. The reversal of 11101101201021 is 12010210110111.

11101101201021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11101101201021 - 2³ = 11101101201013 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11101101200988 and 11101101201006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11101101211021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 142321810231 + ... + 142321810308.

It is an arithmetic number, because the mean of its divisors is an integer number (1992505343780).

Almost surely, 2^{11101101201021} is an apocalyptic number.

It is an amenable number.

11101101201021 is a deficient number, since it is larger than the sum of its proper divisors (4838941549219).

11101101201021 is a wasteful number, since it uses less digits than its factorization.

11101101201021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284643620555.

The product of its (nonzero) digits is 4, while the sum is 12.

Adding to 11101101201021 its reverse (12010210110111), we get a palindrome (23111311311132).

The spelling of 11101101201021 in words is "eleven trillion, one hundred one billion, one hundred one million, two hundred one thousand, twenty-one".