11101112102221 has 8 divisors (see below), whose sum is σ = 11167917203520. Its totient is φ = 11034310946208.

The previous prime is 11101112102207. The next prime is 11101112102243. The reversal of 11101112102221 is 12220121110111.

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

It is a cyclic number.

It is not a de Polignac number, because 11101112102221 - 2²³ = 11101103713613 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11101112102195 and 11101112102204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11101112102621) 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, 4758510 + ... + 6696688.

It is an arithmetic number, because the mean of its divisors is an integer number (1395989650440).

Almost surely, 2^{11101112102221} is an apocalyptic number.

It is an amenable number.

11101112102221 is a deficient number, since it is larger than the sum of its proper divisors (66805101299).

11101112102221 is a wasteful number, since it uses less digits than its factorization.

11101112102221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1972643.

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

Adding to 11101112102221 its reverse (12220121110111), we get a palindrome (23321233212332).

The spelling of 11101112102221 in words is "eleven trillion, one hundred one billion, one hundred twelve million, one hundred two thousand, two hundred twenty-one".