11202121011223 has 4 divisors (see below), whose sum is σ = 11233324691280. Its totient is φ = 11170917331168.

The previous prime is 11202121011199. The next prime is 11202121011227. The reversal of 11202121011223 is 32211012120211.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11202121011223 - 2⁴¹ = 9003097755671 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 11202121011223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11202121011227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15601839490 + ... + 15601840207.

It is an arithmetic number, because the mean of its divisors is an integer number (2808331172820).

Almost surely, 2^{11202121011223} is an apocalyptic number.

11202121011223 is a deficient number, since it is larger than the sum of its proper divisors (31203680057).

11202121011223 is an equidigital number, since it uses as much as digits as its factorization.

11202121011223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31203680056.

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

Adding to 11202121011223 its reverse (32211012120211), we get a palindrome (43413133131434).

The spelling of 11202121011223 in words is "eleven trillion, two hundred two billion, one hundred twenty-one million, eleven thousand, two hundred twenty-three".