1020101321022 has 128 divisors (see below), whose sum is σ = 2393830195200. Its totient is φ = 283756023936.

The previous prime is 1020101321021. The next prime is 1020101321039. The reversal of 1020101321022 is 2201231010201.

It is a junction number, because it is equal to n+sod(n) for n = 1020101320992 and 1020101321010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020101321021) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 328110804 + ... + 328113912.

It is an arithmetic number, because the mean of its divisors is an integer number (18701798400).

Almost surely, 2^{1020101321022} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1020101321022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1196915097600).

1020101321022 is an abundant number, since it is smaller than the sum of its proper divisors (1373728874178).

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

1020101321022 is a wasteful number, since it uses less digits than its factorization.

1020101321022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3990.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 1020101321022 its reverse (2201231010201), we get a palindrome (3221332331223).

The spelling of 1020101321022 in words is "one trillion, twenty billion, one hundred one million, three hundred twenty-one thousand, twenty-two".