1021323302120 has 32 divisors (see below), whose sum is σ = 2506884469920. Its totient is φ = 371390291520.

The previous prime is 1021323302089. The next prime is 1021323302123. The reversal of 1021323302120 is 212033231201.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 1021323302092 and 1021323302101.

It is not an unprimeable number, because it can be changed into a prime (1021323302123) 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 7 ways as a sum of consecutive naturals, for example, 1160594222 + ... + 1160595101.

It is an arithmetic number, because the mean of its divisors is an integer number (78340139685).

Almost surely, 2^{1021323302120} is an apocalyptic number.

1021323302120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1021323302120 is an abundant number, since it is smaller than the sum of its proper divisors (1485561167800).

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

1021323302120 is a wasteful number, since it uses less digits than its factorization.

1021323302120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2321189345 (or 2321189341 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 1021323302120 its reverse (212033231201), we get a palindrome (1233356533321).

The spelling of 1021323302120 in words is "one trillion, twenty-one billion, three hundred twenty-three million, three hundred two thousand, one hundred twenty".