2103022121173 has 2 divisors, whose sum is σ = 2103022121174. Its totient is φ = 2103022121172.

The previous prime is 2103022121119. The next prime is 2103022121197. The reversal of 2103022121173 is 3711212203012.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2056978403089 + 46043718084 = 1434217^2 + 214578^2 .

It is a cyclic number.

It is not a de Polignac number, because 2103022121173 - 2³⁷ = 1965583167701 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2103022121273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1051511060586 + 1051511060587.

It is an arithmetic number, because the mean of its divisors is an integer number (1051511060587).

Almost surely, 2^{2103022121173} is an apocalyptic number.

It is an amenable number.

2103022121173 is a deficient number, since it is larger than the sum of its proper divisors (1).

2103022121173 is an equidigital number, since it uses as much as digits as its factorization.

2103022121173 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1008, while the sum is 25.

Adding to 2103022121173 its reverse (3711212203012), we get a palindrome (5814234324185).

The spelling of 2103022121173 in words is "two trillion, one hundred three billion, twenty-two million, one hundred twenty-one thousand, one hundred seventy-three".