1021343114320 has 160 divisors (see below), whose sum is σ = 2531004433920. Its totient is φ = 382636154880.

The previous prime is 1021343114317. The next prime is 1021343114321. The reversal of 1021343114320 is 234113431201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1021343114321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12280075 + ... + 12362965.

It is an arithmetic number, because the mean of its divisors is an integer number (15818777712).

Almost surely, 2^{1021343114320} is an apocalyptic number.

1021343114320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1021343114320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1265502216960).

1021343114320 is an abundant number, since it is smaller than the sum of its proper divisors (1509661319600).

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

1021343114320 is a wasteful number, since it uses less digits than its factorization.

1021343114320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83093 (or 83087 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 1021343114320 its reverse (234113431201), we get a palindrome (1255456545521).

The spelling of 1021343114320 in words is "one trillion, twenty-one billion, three hundred forty-three million, one hundred fourteen thousand, three hundred twenty".