1111210073 has 2 divisors, whose sum is σ = 1111210074. Its totient is φ = 1111210072.

The previous prime is 1111210069. The next prime is 1111210103. The reversal of 1111210073 is 3700121111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 929823049 + 181387024 = 30493^2 + 13468^2 .

It is a cyclic number.

It is not a de Polignac number, because 1111210073 - 2² = 1111210069 is a prime.

It is not a weakly prime, because it can be changed into another prime (1111210033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 555605036 + 555605037.

It is an arithmetic number, because the mean of its divisors is an integer number (555605037).

Almost surely, 2^1111210073 is an apocalyptic number.

It is an amenable number.

1111210073 is a deficient number, since it is larger than the sum of its proper divisors (1).

1111210073 is an equidigital number, since it uses as much as digits as its factorization.

1111210073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 42, while the sum is 17.

The square root of 1111210073 is about 33334.8177286152. The cubic root of 1111210073 is about 1035.7749174982.

Adding to 1111210073 its reverse (3700121111), we get a palindrome (4811331184).

The spelling of 1111210073 in words is "one billion, one hundred eleven million, two hundred ten thousand, seventy-three".