1322031221001 has 24 divisors (see below), whose sum is σ = 2010494083520. Its totient is φ = 834805862496.

The previous prime is 1322031220981. The next prime is 1322031221003. The reversal of 1322031221001 is 1001221302231.

It is not a de Polignac number, because 1322031221001 - 2¹⁹ = 1322030696713 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1322031221003) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 144876 + ... + 1632498.

Almost surely, 2^{1322031221001} is an apocalyptic number.

It is an amenable number.

1322031221001 is a deficient number, since it is larger than the sum of its proper divisors (688462862519).

1322031221001 is a wasteful number, since it uses less digits than its factorization.

1322031221001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1492845 (or 1492842 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 1322031221001 its reverse (1001221302231), we get a palindrome (2323252523232).

The spelling of 1322031221001 in words is "one trillion, three hundred twenty-two billion, thirty-one million, two hundred twenty-one thousand, one".