110223312161 has 2 divisors, whose sum is σ = 110223312162. Its totient is φ = 110223312160.

The previous prime is 110223312113. The next prime is 110223312181. The reversal of 110223312161 is 161213322011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 108031199761 + 2192112400 = 328681^2 + 46820^2 .

It is a cyclic number.

It is not a de Polignac number, because 110223312161 - 2¹⁰ = 110223311137 is a prime.

It is not a weakly prime, because it can be changed into another prime (110223312181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55111656080 + 55111656081.

It is an arithmetic number, because the mean of its divisors is an integer number (55111656081).

Almost surely, 2^110223312161 is an apocalyptic number.

It is an amenable number.

110223312161 is a deficient number, since it is larger than the sum of its proper divisors (1).

110223312161 is an equidigital number, since it uses as much as digits as its factorization.

110223312161 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 23.

Adding to 110223312161 its reverse (161213322011), we get a palindrome (271436634172).

The spelling of 110223312161 in words is "one hundred ten billion, two hundred twenty-three million, three hundred twelve thousand, one hundred sixty-one".