1333002231221 has 4 divisors (see below), whose sum is σ = 1333009646892. Its totient is φ = 1332994815552.

The previous prime is 1333002231199. The next prime is 1333002231229. The reversal of 1333002231221 is 1221322003331.

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 307969502500 + 1025032728721 = 554950^2 + 1012439^2 .

It is a cyclic number.

It is not a de Polignac number, because 1333002231221 - 2¹⁴ = 1333002214837 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 (1333002231229) 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, 3431330 + ... + 3800003.

It is an arithmetic number, because the mean of its divisors is an integer number (333252411723).

Almost surely, 2^{1333002231221} is an apocalyptic number.

It is an amenable number.

1333002231221 is a deficient number, since it is larger than the sum of its proper divisors (7415671).

1333002231221 is an equidigital number, since it uses as much as digits as its factorization.

1333002231221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7415670.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 1333002231221 its reverse (1221322003331), we get a palindrome (2554324234552).

The spelling of 1333002231221 in words is "one trillion, three hundred thirty-three billion, two million, two hundred thirty-one thousand, two hundred twenty-one".