1303221120133 has 4 divisors (see below), whose sum is σ = 1330949229120. Its totient is φ = 1275493011148.

The previous prime is 1303221120127. The next prime is 1303221120197. The reversal of 1303221120133 is 3310211223031.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1303221120133 - 2¹⁷ = 1303220989061 is a prime.

It is a super-2 number, since 2×1303221120133² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1303221124133) 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, 13864054423 + ... + 13864054516.

It is an arithmetic number, because the mean of its divisors is an integer number (332737307280).

Almost surely, 2^{1303221120133} is an apocalyptic number.

It is an amenable number.

1303221120133 is a deficient number, since it is larger than the sum of its proper divisors (27728108987).

1303221120133 is an equidigital number, since it uses as much as digits as its factorization.

1303221120133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27728108986.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 1303221120133 its reverse (3310211223031), we get a palindrome (4613432343164).

The spelling of 1303221120133 in words is "one trillion, three hundred three billion, two hundred twenty-one million, one hundred twenty thousand, one hundred thirty-three".