1121001108977 has 2 divisors, whose sum is σ = 1121001108978. Its totient is φ = 1121001108976.

The previous prime is 1121001108961. The next prime is 1121001108979. The reversal of 1121001108977 is 7798011001211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1073843077696 + 47158031281 = 1036264^2 + 217159^2 .

It is a cyclic number.

It is not a de Polignac number, because 1121001108977 - 2⁴ = 1121001108961 is a prime.

Together with 1121001108979, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1121001108977.

It is not a weakly prime, because it can be changed into another prime (1121001108979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560500554488 + 560500554489.

It is an arithmetic number, because the mean of its divisors is an integer number (560500554489).

Almost surely, 2^{1121001108977} is an apocalyptic number.

It is an amenable number.

1121001108977 is a deficient number, since it is larger than the sum of its proper divisors (1).

1121001108977 is an equidigital number, since it uses as much as digits as its factorization.

1121001108977 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7056, while the sum is 38.

The spelling of 1121001108977 in words is "one trillion, one hundred twenty-one billion, one million, one hundred eight thousand, nine hundred seventy-seven".