1109675140121 has 2 divisors, whose sum is σ = 1109675140122. Its totient is φ = 1109675140120.

The previous prime is 1109675140081. The next prime is 1109675140151. The reversal of 1109675140121 is 1210415769011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 887891598400 + 221783541721 = 942280^2 + 470939^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1109675140121 is a prime.

It is not a weakly prime, because it can be changed into another prime (1109675140151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 554837570060 + 554837570061.

It is an arithmetic number, because the mean of its divisors is an integer number (554837570061).

Almost surely, 2^{1109675140121} is an apocalyptic number.

It is an amenable number.

1109675140121 is a deficient number, since it is larger than the sum of its proper divisors (1).

1109675140121 is an equidigital number, since it uses as much as digits as its factorization.

1109675140121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15120, while the sum is 38.

The spelling of 1109675140121 in words is "one trillion, one hundred nine billion, six hundred seventy-five million, one hundred forty thousand, one hundred twenty-one".