1111223134009 has 2 divisors, whose sum is σ = 1111223134010. Its totient is φ = 1111223134008.

The previous prime is 1111223133983. The next prime is 1111223134069. The reversal of 1111223134009 is 9004313221111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 679767270400 + 431455863609 = 824480^2 + 656853^2 .

It is a cyclic number.

It is not a de Polignac number, because 1111223134009 - 2²³ = 1111214745401 is a prime.

It is not a weakly prime, because it can be changed into another prime (1111223134069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 555611567004 + 555611567005.

It is an arithmetic number, because the mean of its divisors is an integer number (555611567005).

Almost surely, 2^{1111223134009} is an apocalyptic number.

It is an amenable number.

1111223134009 is a deficient number, since it is larger than the sum of its proper divisors (1).

1111223134009 is an equidigital number, since it uses as much as digits as its factorization.

1111223134009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 28.

The spelling of 1111223134009 in words is "one trillion, one hundred eleven billion, two hundred twenty-three million, one hundred thirty-four thousand, nine".