223213111117 has 2 divisors, whose sum is σ = 223213111118. Its totient is φ = 223213111116.

The previous prime is 223213111111. The next prime is 223213111127. The reversal of 223213111117 is 711111312322.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 214453274281 + 8759836836 = 463091^2 + 93594^2 .

It is a cyclic number.

It is not a de Polignac number, because 223213111117 - 2¹⁵ = 223213078349 is a prime.

It is a super-3 number, since 3×223213111117³ (a number of 35 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 223213111091 and 223213111100.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (223213111111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111606555558 + 111606555559.

It is an arithmetic number, because the mean of its divisors is an integer number (111606555559).

Almost surely, 2^223213111117 is an apocalyptic number.

It is an amenable number.

223213111117 is a deficient number, since it is larger than the sum of its proper divisors (1).

223213111117 is an equidigital number, since it uses as much as digits as its factorization.

223213111117 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 504, while the sum is 25.

Adding to 223213111117 its reverse (711111312322), we get a palindrome (934324423439).

The spelling of 223213111117 in words is "two hundred twenty-three billion, two hundred thirteen million, one hundred eleven thousand, one hundred seventeen".