1121002038857 has 2 divisors, whose sum is σ = 1121002038858. Its totient is φ = 1121002038856.

The previous prime is 1121002038841. The next prime is 1121002038869. The reversal of 1121002038857 is 7588302001211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1118917568521 + 2084470336 = 1057789^2 + 45656^2 .

It is a cyclic number.

It is not a de Polignac number, because 1121002038857 - 2⁴ = 1121002038841 is a prime.

It is a super-2 number, since 2×1121002038857² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1121002038857.

It is not a weakly prime, because it can be changed into another prime (1121002038887) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560501019428 + 560501019429.

It is an arithmetic number, because the mean of its divisors is an integer number (560501019429).

Almost surely, 2^{1121002038857} is an apocalyptic number.

It is an amenable number.

1121002038857 is a deficient number, since it is larger than the sum of its proper divisors (1).

1121002038857 is an equidigital number, since it uses as much as digits as its factorization.

1121002038857 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 26880, while the sum is 38.

The spelling of 1121002038857 in words is "one trillion, one hundred twenty-one billion, two million, thirty-eight thousand, eight hundred fifty-seven".