1203330321103 has 4 divisors (see below), whose sum is σ = 1206901034560. Its totient is φ = 1199759607648.

The previous prime is 1203330321101. The next prime is 1203330321113. The reversal of 1203330321103 is 3011230333021.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1203330321103 - 2¹ = 1203330321101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1203330321101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1785356223 + ... + 1785356896.

It is an arithmetic number, because the mean of its divisors is an integer number (301725258640).

Almost surely, 2^{1203330321103} is an apocalyptic number.

1203330321103 is a deficient number, since it is larger than the sum of its proper divisors (3570713457).

1203330321103 is an equidigital number, since it uses as much as digits as its factorization.

1203330321103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3570713456.

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 1203330321103 its reverse (3011230333021), we get a palindrome (4214560654124).

The spelling of 1203330321103 in words is "one trillion, two hundred three billion, three hundred thirty million, three hundred twenty-one thousand, one hundred three".