1021231130330 has 8 divisors (see below), whose sum is σ = 1838216034612. Its totient is φ = 408492452128.

The previous prime is 1021231130263. The next prime is 1021231130333. The reversal of 1021231130330 is 330311321201.

It can be written as a sum of positive squares in 2 ways, for example, as 957338962969 + 63892167361 = 978437^2 + 252769^2 .

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

It is not an unprimeable number, because it can be changed into a prime (1021231130333) 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 3 ways as a sum of consecutive naturals, for example, 51061556507 + ... + 51061556526.

Almost surely, 2^{1021231130330} is an apocalyptic number.

1021231130330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1021231130330 is a deficient number, since it is larger than the sum of its proper divisors (816984904282).

1021231130330 is a wasteful number, since it uses less digits than its factorization.

1021231130330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102123113040.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 1021231130330 its reverse (330311321201), we get a palindrome (1351542451531).

The spelling of 1021231130330 in words is "one trillion, twenty-one billion, two hundred thirty-one million, one hundred thirty thousand, three hundred thirty".