1001010202220 has 96 divisors (see below), whose sum is σ = 2499634166400. Its totient is φ = 329453236224.

The previous prime is 1001010202219. The next prime is 1001010202243. The reversal of 1001010202220 is 222020101001.

It is a happy number.

It is an unprimeable number.

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, 10205 + ... + 1414964.

It is an arithmetic number, because the mean of its divisors is an integer number (26037855900).

Almost surely, 2^{1001010202220} is an apocalyptic number.

1001010202220 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 1001010202220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1249817083200).

1001010202220 is an abundant number, since it is smaller than the sum of its proper divisors (1498623964180).

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

1001010202220 is a wasteful number, since it uses less digits than its factorization.

1001010202220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1425387 (or 1425385 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 1001010202220 its reverse (222020101001), we get a palindrome (1223030303221).

The spelling of 1001010202220 in words is "one trillion, one billion, ten million, two hundred two thousand, two hundred twenty".