1121011001239 has 2 divisors, whose sum is σ = 1121011001240. Its totient is φ = 1121011001238.

The previous prime is 1121011001219. The next prime is 1121011001267. The reversal of 1121011001239 is 9321001101211.

It is a weak prime.

It is an emirp because it is prime and its reverse (9321001101211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1121011001239 - 2⁷ = 1121011001111 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1121011001219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560505500619 + 560505500620.

It is an arithmetic number, because the mean of its divisors is an integer number (560505500620).

Almost surely, 2^{1121011001239} is an apocalyptic number.

1121011001239 is a deficient number, since it is larger than the sum of its proper divisors (1).

1121011001239 is an equidigital number, since it uses as much as digits as its factorization.

1121011001239 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108, while the sum is 22.

The spelling of 1121011001239 in words is "one trillion, one hundred twenty-one billion, eleven million, one thousand, two hundred thirty-nine".