11101102222021 has 16 divisors (see below), whose sum is σ = 12998120260608. Its totient is φ = 9281931753600.

The previous prime is 11101102222013. The next prime is 11101102222187. The reversal of 11101102222021 is 12022220110111.

It is a cyclic number.

It is not a de Polignac number, because 11101102222021 - 2³ = 11101102222013 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11101102221986 and 11101102222004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11101102522021) 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, 350485 + ... + 4724938.

It is an arithmetic number, because the mean of its divisors is an integer number (812382516288).

Almost surely, 2^{11101102222021} is an apocalyptic number.

It is an amenable number.

11101102222021 is a deficient number, since it is larger than the sum of its proper divisors (1897018038587).

11101102222021 is an equidigital number, since it uses as much as digits as its factorization.

11101102222021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5083092.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 11101102222021 its reverse (12022220110111), we get a palindrome (23123322332132).

The spelling of 11101102222021 in words is "eleven trillion, one hundred one billion, one hundred two million, two hundred twenty-two thousand, twenty-one".