1201122203003 has 4 divisors (see below), whose sum is σ = 1201343368848. Its totient is φ = 1200901037160.

The previous prime is 1201122202999. The next prime is 1201122203093. The reversal of 1201122203003 is 3003022211021.

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 1201122203003 - 2² = 1201122202999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1201122203093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 110574776 + ... + 110585637.

It is an arithmetic number, because the mean of its divisors is an integer number (300335842212).

Almost surely, 2^{1201122203003} is an apocalyptic number.

1201122203003 is a deficient number, since it is larger than the sum of its proper divisors (221165845).

1201122203003 is an equidigital number, since it uses as much as digits as its factorization.

1201122203003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221165844.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 1201122203003 its reverse (3003022211021), we get a palindrome (4204144414024).

The spelling of 1201122203003 in words is "one trillion, two hundred one billion, one hundred twenty-two million, two hundred three thousand, three".