1103130112321 has 2 divisors, whose sum is σ = 1103130112322. Its totient is φ = 1103130112320.

The previous prime is 1103130112303. The next prime is 1103130112327. The reversal of 1103130112321 is 1232110313011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 947972902321 + 155157210000 = 973639^2 + 393900^2 .

It is a cyclic number.

It is not a de Polignac number, because 1103130112321 - 2¹⁵ = 1103130079553 is a prime.

It is not a weakly prime, because it can be changed into another prime (1103130112327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 551565056160 + 551565056161.

It is an arithmetic number, because the mean of its divisors is an integer number (551565056161).

Almost surely, 2^{1103130112321} is an apocalyptic number.

It is an amenable number.

1103130112321 is a deficient number, since it is larger than the sum of its proper divisors (1).

1103130112321 is an equidigital number, since it uses as much as digits as its factorization.

1103130112321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 1103130112321 its reverse (1232110313011), we get a palindrome (2335240425332).

The spelling of 1103130112321 in words is "one trillion, one hundred three billion, one hundred thirty million, one hundred twelve thousand, three hundred twenty-one".