11121002121247 has 2 divisors, whose sum is σ = 11121002121248. Its totient is φ = 11121002121246.

The previous prime is 11121002121199. The next prime is 11121002121283. The reversal of 11121002121247 is 74212120012111.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11121002121247 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11121002121347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5560501060623 + 5560501060624.

It is an arithmetic number, because the mean of its divisors is an integer number (5560501060624).

Almost surely, 2^{11121002121247} is an apocalyptic number.

11121002121247 is a deficient number, since it is larger than the sum of its proper divisors (1).

11121002121247 is an equidigital number, since it uses as much as digits as its factorization.

11121002121247 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 448, while the sum is 25.

Adding to 11121002121247 its reverse (74212120012111), we get a palindrome (85333122133358).

The spelling of 11121002121247 in words is "eleven trillion, one hundred twenty-one billion, two million, one hundred twenty-one thousand, two hundred forty-seven".