11011201223 has 24 divisors (see below), whose sum is σ = 12835727856. Its totient is φ = 9406242560.

The previous prime is 11011201213. The next prime is 11011201241. The reversal of 11011201223 is 32210211011.

It is not a de Polignac number, because 11011201223 - 2⁴ = 11011201207 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11011201198 and 11011201207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11011201213) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1388636 + ... + 1396542.

It is an arithmetic number, because the mean of its divisors is an integer number (534821994).

Almost surely, 2^11011201223 is an apocalyptic number.

11011201223 is a deficient number, since it is larger than the sum of its proper divisors (1824526633).

11011201223 is a wasteful number, since it uses less digits than its factorization.

11011201223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8623 (or 8612 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 11011201223 its reverse (32210211011), we get a palindrome (43221412234).

The spelling of 11011201223 in words is "eleven billion, eleven million, two hundred one thousand, two hundred twenty-three".