1021321332330 has 64 divisors (see below), whose sum is σ = 2724875209728. Its totient is φ = 243292423680.

The previous prime is 1021321332329. The next prime is 1021321332371. The reversal of 1021321332330 is 332331231201.

It is a self number, because there is not a number n which added to its sum of digits gives 1021321332330.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 42226179 + ... + 42250358.

It is an arithmetic number, because the mean of its divisors is an integer number (42576175152).

Almost surely, 2^{1021321332330} is an apocalyptic number.

1021321332330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1021321332330 is an abundant number, since it is smaller than the sum of its proper divisors (1703553877398).

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

1021321332330 is a wasteful number, since it uses less digits than its factorization.

1021321332330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84476591.

The product of its (nonzero) digits is 1944, while the sum is 24.

Adding to 1021321332330 its reverse (332331231201), we get a palindrome (1353652563531).

The spelling of 1021321332330 in words is "one trillion, twenty-one billion, three hundred twenty-one million, three hundred thirty-two thousand, three hundred thirty".