222111202231 has 2 divisors, whose sum is σ = 222111202232. Its totient is φ = 222111202230.

The previous prime is 222111202207. The next prime is 222111202237. The reversal of 222111202231 is 132202111222.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 222111202231 - 2¹¹ = 222111200183 is a prime.

It is a super-2 number, since 2×222111202231² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 222111202199 and 222111202208.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222111202237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111055601115 + 111055601116.

It is an arithmetic number, because the mean of its divisors is an integer number (111055601116).

Almost surely, 2^222111202231 is an apocalyptic number.

222111202231 is a deficient number, since it is larger than the sum of its proper divisors (1).

222111202231 is an equidigital number, since it uses as much as digits as its factorization.

222111202231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 222111202231 its reverse (132202111222), we get a palindrome (354313313453).

The spelling of 222111202231 in words is "two hundred twenty-two billion, one hundred eleven million, two hundred two thousand, two hundred thirty-one".