1322100021021 has 8 divisors (see below), whose sum is σ = 1898400030240. Its totient is φ = 813600012912.

The previous prime is 1322100021001. The next prime is 1322100021061. The reversal of 1322100021021 is 1201200012231.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1322100021021 - 2¹⁰ = 1322100019997 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1322100021001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16950000231 + ... + 16950000308.

It is an arithmetic number, because the mean of its divisors is an integer number (237300003780).

Almost surely, 2^{1322100021021} is an apocalyptic number.

It is an amenable number.

1322100021021 is a deficient number, since it is larger than the sum of its proper divisors (576300009219).

1322100021021 is a wasteful number, since it uses less digits than its factorization.

1322100021021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33900000555.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 1322100021021 its reverse (1201200012231), we get a palindrome (2523300033252).

The spelling of 1322100021021 in words is "one trillion, three hundred twenty-two billion, one hundred million, twenty-one thousand, twenty-one".