1103121023197 has 2 divisors, whose sum is σ = 1103121023198. Its totient is φ = 1103121023196.

The previous prime is 1103121023141. The next prime is 1103121023231. The reversal of 1103121023197 is 7913201213011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1089958968121 + 13162055076 = 1044011^2 + 114726^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1103121023197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1103121023297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 551560511598 + 551560511599.

It is an arithmetic number, because the mean of its divisors is an integer number (551560511599).

Almost surely, 2^{1103121023197} is an apocalyptic number.

It is an amenable number.

1103121023197 is a deficient number, since it is larger than the sum of its proper divisors (1).

1103121023197 is an equidigital number, since it uses as much as digits as its factorization.

1103121023197 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2268, while the sum is 31.

The spelling of 1103121023197 in words is "one trillion, one hundred three billion, one hundred twenty-one million, twenty-three thousand, one hundred ninety-seven".