1011012229 has 2 divisors, whose sum is σ = 1011012230. Its totient is φ = 1011012228.

The previous prime is 1011012157. The next prime is 1011012251. The reversal of 1011012229 is 9222101101.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 635544100 + 375468129 = 25210^2 + 19377^2 .

It is an emirp because it is prime and its reverse (9222101101) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1011012229 - 2¹³ = 1011004037 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1011010229) 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, 505506114 + 505506115.

It is an arithmetic number, because the mean of its divisors is an integer number (505506115).

Almost surely, 2^1011012229 is an apocalyptic number.

It is an amenable number.

1011012229 is a deficient number, since it is larger than the sum of its proper divisors (1).

1011012229 is an equidigital number, since it uses as much as digits as its factorization.

1011012229 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 19.

The square root of 1011012229 is about 31796.4184932832. The cubic root of 1011012229 is about 1003.6573504803.

The spelling of 1011012229 in words is "one billion, eleven million, twelve thousand, two hundred twenty-nine".