1331032212021 has 8 divisors (see below), whose sum is σ = 1774986033184. Its totient is φ = 887216599440.

The previous prime is 1331032211989. The next prime is 1331032212061. The reversal of 1331032212021 is 1202122301331.

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

It is not a de Polignac number, because 1331032212021 - 2⁵ = 1331032211989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1331032212061) 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, 34529671 + ... + 34568196.

It is an arithmetic number, because the mean of its divisors is an integer number (221873254148).

Almost surely, 2^{1331032212021} is an apocalyptic number.

It is an amenable number.

1331032212021 is a deficient number, since it is larger than the sum of its proper divisors (443953821163).

1331032212021 is an equidigital number, since it uses as much as digits as its factorization.

1331032212021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69104291.

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

Adding to 1331032212021 its reverse (1202122301331), we get a palindrome (2533154513352).

The spelling of 1331032212021 in words is "one trillion, three hundred thirty-one billion, thirty-two million, two hundred twelve thousand, twenty-one".