1121098104869 has 2 divisors, whose sum is σ = 1121098104870. Its totient is φ = 1121098104868.

The previous prime is 1121098104857. The next prime is 1121098104901. The reversal of 1121098104869 is 9684018901211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1024042802500 + 97055302369 = 1011950^2 + 311537^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1121098104869 is a prime.

It is a super-2 number, since 2×1121098104869² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1121098404869) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560549052434 + 560549052435.

It is an arithmetic number, because the mean of its divisors is an integer number (560549052435).

Almost surely, 2^{1121098104869} is an apocalyptic number.

It is an amenable number.

1121098104869 is a deficient number, since it is larger than the sum of its proper divisors (1).

1121098104869 is an equidigital number, since it uses as much as digits as its factorization.

1121098104869 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 248832, while the sum is 50.

The spelling of 1121098104869 in words is "one trillion, one hundred twenty-one billion, ninety-eight million, one hundred four thousand, eight hundred sixty-nine".