1010100220220 has 144 divisors (see below), whose sum is σ = 2626009827840. Its totient is φ = 319565046528.

The previous prime is 1010100220219. The next prime is 1010100220237. The reversal of 1010100220220 is 220220010101.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 86187521 + ... + 86199239.

It is an arithmetic number, because the mean of its divisors is an integer number (18236179360).

Almost surely, 2^{1010100220220} is an apocalyptic number.

1010100220220 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 1010100220220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1313004913920).

1010100220220 is an abundant number, since it is smaller than the sum of its proper divisors (1615909607620).

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

1010100220220 is a wasteful number, since it uses less digits than its factorization.

1010100220220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15404 (or 15389 counting only the distinct ones).

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

Adding to 1010100220220 its reverse (220220010101), we get a palindrome (1230320230321).

The spelling of 1010100220220 in words is "one trillion, ten billion, one hundred million, two hundred twenty thousand, two hundred twenty".