1110021223 has 2 divisors, whose sum is σ = 1110021224. Its totient is φ = 1110021222.

The previous prime is 1110021217. The next prime is 1110021233. The reversal of 1110021223 is 3221200111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1110021223 - 2⁵ = 1110021191 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1110021233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 555010611 + 555010612.

It is an arithmetic number, because the mean of its divisors is an integer number (555010612).

Almost surely, 2^1110021223 is an apocalyptic number.

1110021223 is a deficient number, since it is larger than the sum of its proper divisors (1).

1110021223 is an equidigital number, since it uses as much as digits as its factorization.

1110021223 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 1110021223 is about 33316.9810006849. The cubic root of 1110021223 is about 1035.4054042859.

Adding to 1110021223 its reverse (3221200111), we get a palindrome (4331221334).

It can be divided in two parts, 111002 and 1223, that added together give a square (112225 = 335²).

The spelling of 1110021223 in words is "one billion, one hundred ten million, twenty-one thousand, two hundred twenty-three".