1021143353332 has 24 divisors (see below), whose sum is σ = 1844687532800. Its totient is φ = 494090513280.

The previous prime is 1021143353311. The next prime is 1021143353341. The reversal of 1021143353332 is 2333533411201.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a junction number, because it is equal to n+sod(n) for n = 1021143353294 and 1021143353303.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9152419 + ... + 9263317.

Almost surely, 2^{1021143353332} is an apocalyptic number.

It is an amenable number.

1021143353332 is a deficient number, since it is larger than the sum of its proper divisors (823544179468).

1021143353332 is a wasteful number, since it uses less digits than its factorization.

1021143353332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185191 (or 185189 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 31.

Adding to 1021143353332 its reverse (2333533411201), we get a palindrome (3354676764533).

The spelling of 1021143353332 in words is "one trillion, twenty-one billion, one hundred forty-three million, three hundred fifty-three thousand, three hundred thirty-two".