11000211223 has 4 divisors (see below), whose sum is σ = 11000658168. Its totient is φ = 10999764280.

The previous prime is 11000211197. The next prime is 11000211319. The reversal of 11000211223 is 32211200011.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11000211223 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11000211323) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 184261 + ... + 236542.

It is an arithmetic number, because the mean of its divisors is an integer number (2750164542).

Almost surely, 2^11000211223 is an apocalyptic number.

11000211223 is a deficient number, since it is larger than the sum of its proper divisors (446945).

11000211223 is an equidigital number, since it uses as much as digits as its factorization.

11000211223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 446944.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 11000211223 its reverse (32211200011), we get a palindrome (43211411234).

The spelling of 11000211223 in words is "eleven billion, two hundred eleven thousand, two hundred twenty-three".