1103372389321 has 2 divisors, whose sum is σ = 1103372389322. Its totient is φ = 1103372389320.

The previous prime is 1103372389303. The next prime is 1103372389367. The reversal of 1103372389321 is 1239832733011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1103363268921 + 9120400 = 1050411^2 + 3020^2 .

It is a cyclic number.

It is not a de Polignac number, because 1103372389321 - 2⁷ = 1103372389193 is a prime.

It is not a weakly prime, because it can be changed into another prime (1103372389921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 551686194660 + 551686194661.

It is an arithmetic number, because the mean of its divisors is an integer number (551686194661).

Almost surely, 2^{1103372389321} is an apocalyptic number.

It is an amenable number.

1103372389321 is a deficient number, since it is larger than the sum of its proper divisors (1).

1103372389321 is an equidigital number, since it uses as much as digits as its factorization.

1103372389321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 163296, while the sum is 43.

The spelling of 1103372389321 in words is "one trillion, one hundred three billion, three hundred seventy-two million, three hundred eighty-nine thousand, three hundred twenty-one".