110223211261 has 2 divisors, whose sum is σ = 110223211262. Its totient is φ = 110223211260.

The previous prime is 110223211249. The next prime is 110223211271. The reversal of 110223211261 is 162112322011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 109872360900 + 350850361 = 331470^2 + 18731^2 .

It is a cyclic number.

It is not a de Polignac number, because 110223211261 - 2⁹ = 110223210749 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (110223211271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55111605630 + 55111605631.

It is an arithmetic number, because the mean of its divisors is an integer number (55111605631).

Almost surely, 2^110223211261 is an apocalyptic number.

It is an amenable number.

110223211261 is a deficient number, since it is larger than the sum of its proper divisors (1).

110223211261 is an equidigital number, since it uses as much as digits as its factorization.

110223211261 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 22.

Adding to 110223211261 its reverse (162112322011), we get a palindrome (272335533272).

The spelling of 110223211261 in words is "one hundred ten billion, two hundred twenty-three million, two hundred eleven thousand, two hundred sixty-one".