2223111452281 has 2 divisors, whose sum is σ = 2223111452282. Its totient is φ = 2223111452280.

The previous prime is 2223111452207. The next prime is 2223111452293. The reversal of 2223111452281 is 1822541113222.

2223111452281 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2218610250000 + 4501202281 = 1489500^2 + 67091^2 .

It is a cyclic number.

It is not a de Polignac number, because 2223111452281 - 2⁷ = 2223111452153 is a prime.

It is a super-2 number, since 2×2223111452281² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2223111452381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1111555726140 + 1111555726141.

It is an arithmetic number, because the mean of its divisors is an integer number (1111555726141).

Almost surely, 2^{2223111452281} is an apocalyptic number.

It is an amenable number.

2223111452281 is a deficient number, since it is larger than the sum of its proper divisors (1).

2223111452281 is an equidigital number, since it uses as much as digits as its factorization.

2223111452281 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15360, while the sum is 34.

The spelling of 2223111452281 in words is "two trillion, two hundred twenty-three billion, one hundred eleven million, four hundred fifty-two thousand, two hundred eighty-one".