1103141021173 has 2 divisors, whose sum is σ = 1103141021174. Its totient is φ = 1103141021172.

The previous prime is 1103141021149. The next prime is 1103141021209. The reversal of 1103141021173 is 3711201413011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 600435914884 + 502705106289 = 774878^2 + 709017^2 .

It is an emirp because it is prime and its reverse (3711201413011) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1103141021173 - 2²¹ = 1103138924021 is a prime.

It is a super-2 number, since 2×1103141021173² (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 (1103141021113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 551570510586 + 551570510587.

It is an arithmetic number, because the mean of its divisors is an integer number (551570510587).

Almost surely, 2^{1103141021173} is an apocalyptic number.

It is an amenable number.

1103141021173 is a deficient number, since it is larger than the sum of its proper divisors (1).

1103141021173 is an equidigital number, since it uses as much as digits as its factorization.

1103141021173 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 504, while the sum is 25.

Adding to 1103141021173 its reverse (3711201413011), we get a palindrome (4814342434184).

The spelling of 1103141021173 in words is "one trillion, one hundred three billion, one hundred forty-one million, twenty-one thousand, one hundred seventy-three".