11223223111312 has 10 divisors (see below), whose sum is σ = 21744994778198. Its totient is φ = 5611611555648.

The previous prime is 11223223111279. The next prime is 11223223111333. The reversal of 11223223111312 is 21311132232211.

It can be written as a sum of positive squares in only one way, i.e., 8653857761536 + 2569365349776 = 2941744^2 + 1602924^2 .

It is a super-2 number, since 2×11223223111312² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 350725722213 + ... + 350725722244.

Almost surely, 2^{11223223111312} is an apocalyptic number.

It is an amenable number.

11223223111312 is a deficient number, since it is larger than the sum of its proper divisors (10521771666886).

11223223111312 is an equidigital number, since it uses as much as digits as its factorization.

11223223111312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 701451444465 (or 701451444459 counting only the distinct ones).

The product of its digits is 864, while the sum is 25.

Adding to 11223223111312 its reverse (21311132232211), we get a palindrome (32534355343523).

The spelling of 11223223111312 in words is "eleven trillion, two hundred twenty-three billion, two hundred twenty-three million, one hundred eleven thousand, three hundred twelve".