1322023311021 has 16 divisors (see below), whose sum is σ = 2052521368704. Its totient is φ = 741188270784.

The previous prime is 1322023311019. The next prime is 1322023311043. The reversal of 1322023311021 is 1201133202231.

It is not a de Polignac number, because 1322023311021 - 2¹ = 1322023311019 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1322023311061) 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, 593899746 + ... + 593901971.

It is an arithmetic number, because the mean of its divisors is an integer number (128282585544).

Almost surely, 2^{1322023311021} is an apocalyptic number.

It is an amenable number.

1322023311021 is a deficient number, since it is larger than the sum of its proper divisors (730498057683).

1322023311021 is a wasteful number, since it uses less digits than its factorization.

1322023311021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1187801780.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 1322023311021 its reverse (1201133202231), we get a palindrome (2523156513252).

The spelling of 1322023311021 in words is "one trillion, three hundred twenty-two billion, twenty-three million, three hundred eleven thousand, twenty-one".