1111223031049 has 2 divisors, whose sum is σ = 1111223031050. Its totient is φ = 1111223031048.

The previous prime is 1111223031001. The next prime is 1111223031109. The reversal of 1111223031049 is 9401303221111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1107034352649 + 4188678400 = 1052157^2 + 64720^2 .

It is an emirp because it is prime and its reverse (9401303221111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1111223031049 - 2¹⁷ = 1111222899977 is a prime.

It is not a weakly prime, because it can be changed into another prime (1111223031449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 555611515524 + 555611515525.

It is an arithmetic number, because the mean of its divisors is an integer number (555611515525).

Almost surely, 2^{1111223031049} is an apocalyptic number.

It is an amenable number.

1111223031049 is a deficient number, since it is larger than the sum of its proper divisors (1).

1111223031049 is an equidigital number, since it uses as much as digits as its factorization.

1111223031049 is an odious number, because the sum of its binary digits is odd.

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

The spelling of 1111223031049 in words is "one trillion, one hundred eleven billion, two hundred twenty-three million, thirty-one thousand, forty-nine".