11001121011223 has 16 divisors (see below), whose sum is σ = 13012918364160. Its totient is φ = 9099709164000.

The previous prime is 11001121011217. The next prime is 11001121011233. The reversal of 11001121011223 is 32211012110011.

It is a happy number.

It is not a de Polignac number, because 11001121011223 - 2¹³ = 11001121003031 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11001121011197 and 11001121011206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11001121011233) 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, 13492393 + ... + 14284498.

It is an arithmetic number, because the mean of its divisors is an integer number (813307397760).

Almost surely, 2^{11001121011223} is an apocalyptic number.

11001121011223 is a deficient number, since it is larger than the sum of its proper divisors (2011797352937).

11001121011223 is a wasteful number, since it uses less digits than its factorization.

11001121011223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27778878.

The product of its (nonzero) digits is 24, while the sum is 16.

Adding to 11001121011223 its reverse (32211012110011), we get a palindrome (43212133121234).

The spelling of 11001121011223 in words is "eleven trillion, one billion, one hundred twenty-one million, eleven thousand, two hundred twenty-three".