1103032103021 has 2 divisors, whose sum is σ = 1103032103022. Its totient is φ = 1103032103020.

The previous prime is 1103032102987. The next prime is 1103032103023. The reversal of 1103032103021 is 1203012303011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 884559060100 + 218473042921 = 940510^2 + 467411^2 .

It is a cyclic number.

It is not a de Polignac number, because 1103032103021 - 2¹⁸ = 1103031840877 is a prime.

Together with 1103032103023, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1103032103023) 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, 551516051510 + 551516051511.

It is an arithmetic number, because the mean of its divisors is an integer number (551516051511).

Almost surely, 2^{1103032103021} is an apocalyptic number.

It is an amenable number.

1103032103021 is a deficient number, since it is larger than the sum of its proper divisors (1).

1103032103021 is an equidigital number, since it uses as much as digits as its factorization.

1103032103021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 1103032103021 its reverse (1203012303011), we get a palindrome (2306044406032).

The spelling of 1103032103021 in words is "one trillion, one hundred three billion, thirty-two million, one hundred three thousand, twenty-one".