1121001108979 has 2 divisors, whose sum is σ = 1121001108980. Its totient is φ = 1121001108978.

The previous prime is 1121001108977. The next prime is 1121001108991. The reversal of 1121001108979 is 9798011001211.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1121001108979 - 2¹ = 1121001108977 is a prime.

Together with 1121001108977, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1121001108977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560500554489 + 560500554490.

It is an arithmetic number, because the mean of its divisors is an integer number (560500554490).

Almost surely, 2^{1121001108979} is an apocalyptic number.

1121001108979 is a deficient number, since it is larger than the sum of its proper divisors (1).

1121001108979 is an equidigital number, since it uses as much as digits as its factorization.

1121001108979 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9072, while the sum is 40.

The spelling of 1121001108979 in words is "one trillion, one hundred twenty-one billion, one million, one hundred eight thousand, nine hundred seventy-nine".