12223101111231 has 4 divisors (see below), whose sum is σ = 16297468148312. Its totient is φ = 8148734074152.

The previous prime is 12223101111167. The next prime is 12223101111271. The reversal of 12223101111231 is 13211110132221.

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

It is not a de Polignac number, because 12223101111231 - 2⁶ = 12223101111167 is a prime.

It is a super-2 number, since 2×12223101111231² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12223101111198 and 12223101111207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12223101111271) 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, 2037183518536 + ... + 2037183518541.

It is an arithmetic number, because the mean of its divisors is an integer number (4074367037078).

Almost surely, 2^{12223101111231} is an apocalyptic number.

12223101111231 is a deficient number, since it is larger than the sum of its proper divisors (4074367037081).

12223101111231 is an equidigital number, since it uses as much as digits as its factorization.

12223101111231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4074367037080.

The product of its (nonzero) digits is 144, while the sum is 21.

Adding to 12223101111231 its reverse (13211110132221), we get a palindrome (25434211243452).

The spelling of 12223101111231 in words is "twelve trillion, two hundred twenty-three billion, one hundred one million, one hundred eleven thousand, two hundred thirty-one".