11012221221223 has 8 divisors (see below), whose sum is σ = 11220051927600. Its totient is φ = 10804392475968.

The previous prime is 11012221221217. The next prime is 11012221221241. The reversal of 11012221221223 is 32212212221011.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11012221221223 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11012221221194 and 11012221221203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11012221221823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16082923 + ... + 16753651.

It is an arithmetic number, because the mean of its divisors is an integer number (1402506490950).

Almost surely, 2^{11012221221223} is an apocalyptic number.

11012221221223 is a deficient number, since it is larger than the sum of its proper divisors (207830706377).

11012221221223 is an equidigital number, since it uses as much as digits as its factorization.

11012221221223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 980561.

The product of its (nonzero) digits is 384, while the sum is 22.

Adding to 11012221221223 its reverse (32212212221011), we get a palindrome (43224433442234).

The spelling of 11012221221223 in words is "eleven trillion, twelve billion, two hundred twenty-one million, two hundred twenty-one thousand, two hundred twenty-three".