11221012211223 has 8 divisors (see below), whose sum is σ = 14965567658368. Its totient is φ = 7478565785784.

The previous prime is 11221012211191. The next prime is 11221012211237. The reversal of 11221012211223 is 32211221012211.

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

It is not a de Polignac number, because 11221012211223 - 2⁵ = 11221012211191 is a prime.

It is a super-2 number, since 2×11221012211223² (a number of 27 digits) contains 22 as substring.

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 11221012211223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11221012211023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 527243011 + ... + 527264292.

It is an arithmetic number, because the mean of its divisors is an integer number (1870695957296).

Almost surely, 2^{11221012211223} is an apocalyptic number.

11221012211223 is a deficient number, since it is larger than the sum of its proper divisors (3744555447145).

11221012211223 is a wasteful number, since it uses less digits than its factorization.

11221012211223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1054510853.

The product of its (nonzero) digits is 192, while the sum is 21.

Adding to 11221012211223 its reverse (32211221012211), we get a palindrome (43432233223434).

The spelling of 11221012211223 in words is "eleven trillion, two hundred twenty-one billion, twelve million, two hundred eleven thousand, two hundred twenty-three".