1021330212130 has 8 divisors (see below), whose sum is σ = 1838394381852. Its totient is φ = 408532084848.

The previous prime is 1021330212121. The next prime is 1021330212137. The reversal of 1021330212130 is 312120331201.

It can be written as a sum of positive squares in 2 ways, for example, as 942543897409 + 78786314721 = 970847^2 + 280689^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 1021330212098 and 1021330212107.

It is not an unprimeable number, because it can be changed into a prime (1021330212137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51066510597 + ... + 51066510616.

Almost surely, 2^{1021330212130} is an apocalyptic number.

1021330212130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1021330212130 is a deficient number, since it is larger than the sum of its proper divisors (817064169722).

1021330212130 is a wasteful number, since it uses less digits than its factorization.

1021330212130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102133021220.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 1021330212130 its reverse (312120331201), we get a palindrome (1333450543331).

The spelling of 1021330212130 in words is "one trillion, twenty-one billion, three hundred thirty million, two hundred twelve thousand, one hundred thirty".