1021332331332 has 36 divisors (see below), whose sum is σ = 2717580181680. Its totient is φ = 322525999152.

The previous prime is 1021332331319. The next prime is 1021332331333. The reversal of 1021332331332 is 2331332331201.

1021332331332 is a `hidden beast` number, since 1 + 0 + 2 + 1 + 3 + 323 + 3 + 1 + 332 = 666.

1021332331332 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

It is a junction number, because it is equal to n+sod(n) for n = 1021332331296 and 1021332331305.

It is not an unprimeable number, because it can be changed into a prime (1021332331333) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 746587278 + ... + 746588645.

It is an arithmetic number, because the mean of its divisors is an integer number (75488338380).

Almost surely, 2^{1021332331332} is an apocalyptic number.

1021332331332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1021332331332 is an abundant number, since it is smaller than the sum of its proper divisors (1696247850348).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1021332331332 is a wasteful number, since it uses less digits than its factorization.

1021332331332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1493175952 (or 1493175947 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 27.

Adding to 1021332331332 its reverse (2331332331201), we get a palindrome (3352664662533).

The spelling of 1021332331332 in words is "one trillion, twenty-one billion, three hundred thirty-two million, three hundred thirty-one thousand, three hundred thirty-two".