1020421310322 has 256 divisors, whose sum is σ = 2249456025600. Its totient is φ = 307929600000.

The previous prime is 1020421310243. The next prime is 1020421310329. The reversal of 1020421310322 is 2230131240201.

It is not an unprimeable number, because it can be changed into a prime (1020421310329) 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 127 ways as a sum of consecutive naturals, for example, 5127745179 + ... + 5127745377.

It is an arithmetic number, because the mean of its divisors is an integer number (8786937600).

Almost surely, 2^{1020421310322} is an apocalyptic number.

1020421310322 is an abundant number, since it is smaller than the sum of its proper divisors (1229034715278).

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

1020421310322 is a wasteful number, since it uses less digits than its factorization.

1020421310322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 561.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 1020421310322 its reverse (2230131240201), we get a palindrome (3250552550523).

The spelling of 1020421310322 in words is "one trillion, twenty billion, four hundred twenty-one million, three hundred ten thousand, three hundred twenty-two".