11102121201223 has 16 divisors (see below), whose sum is σ = 12085896961600. Its totient is φ = 10137196396800.

The previous prime is 11102121201209. The next prime is 11102121201299. The reversal of 11102121201223 is 32210212120111.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11102121201223 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11102121201223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11102121205223) 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, 5666643 + ... + 7369876.

It is an arithmetic number, because the mean of its divisors is an integer number (755368560100).

Almost surely, 2^{11102121201223} is an apocalyptic number.

11102121201223 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

11102121201223 is a deficient number, since it is larger than the sum of its proper divisors (983775760377).

11102121201223 is a wasteful number, since it uses less digits than its factorization.

11102121201223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13037242.

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 11102121201223 its reverse (32210212120111), we get a palindrome (43312333321334).

The spelling of 11102121201223 in words is "eleven trillion, one hundred two billion, one hundred twenty-one million, two hundred one thousand, two hundred twenty-three".