1333221200221 has 16 divisors (see below), whose sum is σ = 1384981291008. Its totient is φ = 1282011721200.

The previous prime is 1333221200147. The next prime is 1333221200237. The reversal of 1333221200221 is 1220021223331.

It is a cyclic number.

It is not a de Polignac number, because 1333221200221 - 2²³ = 1333212811613 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1333221200192 and 1333221200201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1333221200261) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24586080 + ... + 24640246.

It is an arithmetic number, because the mean of its divisors is an integer number (86561330688).

Almost surely, 2^{1333221200221} is an apocalyptic number.

It is an amenable number.

1333221200221 is a deficient number, since it is larger than the sum of its proper divisors (51760090787).

1333221200221 is a wasteful number, since it uses less digits than its factorization.

1333221200221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59232.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 1333221200221 its reverse (1220021223331), we get a palindrome (2553242423552).

The spelling of 1333221200221 in words is "one trillion, three hundred thirty-three billion, two hundred twenty-one million, two hundred thousand, two hundred twenty-one".