1333221110221 has 144 divisors (see below), whose sum is σ = 1890831261312. Its totient is φ = 912752755200.

The previous prime is 1333221110201. The next prime is 1333221110227. The reversal of 1333221110221 is 1220111223331.

It is not a de Polignac number, because 1333221110221 - 2¹⁵ = 1333221077453 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1333221110192 and 1333221110201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1333221110227) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 2016975631 + ... + 2016976291.

It is an arithmetic number, because the mean of its divisors is an integer number (13130772648).

Almost surely, 2^{1333221110221} is an apocalyptic number.

1333221110221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1333221110221 is a deficient number, since it is larger than the sum of its proper divisors (557610151091).

1333221110221 is a wasteful number, since it uses less digits than its factorization.

1333221110221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1044 (or 1008 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 1333221110221 its reverse (1220111223331), we get a palindrome (2553332333552).

The spelling of 1333221110221 in words is "one trillion, three hundred thirty-three billion, two hundred twenty-one million, one hundred ten thousand, two hundred twenty-one".