1111121002247 has 2 divisors, whose sum is σ = 1111121002248. Its totient is φ = 1111121002246.

The previous prime is 1111121002213. The next prime is 1111121002259. The reversal of 1111121002247 is 7422001211111.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1111121002247 - 2¹² = 1111120998151 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1111121002207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 555560501123 + 555560501124.

It is an arithmetic number, because the mean of its divisors is an integer number (555560501124).

Almost surely, 2^{1111121002247} is an apocalyptic number.

1111121002247 is a deficient number, since it is larger than the sum of its proper divisors (1).

1111121002247 is an equidigital number, since it uses as much as digits as its factorization.

1111121002247 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 224, while the sum is 23.

Adding to 1111121002247 its reverse (7422001211111), we get a palindrome (8533122213358).

The spelling of 1111121002247 in words is "one trillion, one hundred eleven billion, one hundred twenty-one million, two thousand, two hundred forty-seven".