1203000103321 has 4 divisors (see below), whose sum is σ = 1225698218532. Its totient is φ = 1180301988112.

The previous prime is 1203000103289. The next prime is 1203000103343. The reversal of 1203000103321 is 1233010003021.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1015991425296 + 187008678025 = 1007964^2 + 432445^2 .

It is a cyclic number.

It is not a de Polignac number, because 1203000103321 - 2⁵ = 1203000103289 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1203000103295 and 1203000103304.

It is not an unprimeable number, because it can be changed into a prime (1203000103381) 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, 11349057526 + ... + 11349057631.

It is an arithmetic number, because the mean of its divisors is an integer number (306424554633).

Almost surely, 2^{1203000103321} is an apocalyptic number.

It is an amenable number.

1203000103321 is a deficient number, since it is larger than the sum of its proper divisors (22698115211).

1203000103321 is an equidigital number, since it uses as much as digits as its factorization.

1203000103321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22698115210.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 1203000103321 its reverse (1233010003021), we get a palindrome (2436010106342).

The spelling of 1203000103321 in words is "one trillion, two hundred three billion, one hundred three thousand, three hundred twenty-one".