1201322021303 has 4 divisors (see below), whose sum is σ = 1201775866800. Its totient is φ = 1200868175808.

The previous prime is 1201322021297. The next prime is 1201322021321. The reversal of 1201322021303 is 3031202231021.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1201322021303 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 (1201322021353) 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, 226918778 + ... + 226924071.

It is an arithmetic number, because the mean of its divisors is an integer number (300443966700).

Almost surely, 2^{1201322021303} is an apocalyptic number.

1201322021303 is a deficient number, since it is larger than the sum of its proper divisors (453845497).

1201322021303 is an equidigital number, since it uses as much as digits as its factorization.

1201322021303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 453845496.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 1201322021303 its reverse (3031202231021), we get a palindrome (4232524252324).

The spelling of 1201322021303 in words is "one trillion, two hundred one billion, three hundred twenty-two million, twenty-one thousand, three hundred three".