101000220220 has 48 divisors (see below), whose sum is σ = 219882394368. Its totient is φ = 38929006080.

The previous prime is 101000220203. The next prime is 101000220221. The reversal of 101000220220 is 22022000101.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 101000220197 and 101000220206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101000220221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 205119 + ... + 494038.

It is an arithmetic number, because the mean of its divisors is an integer number (4580883216).

Almost surely, 2^101000220220 is an apocalyptic number.

101000220220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101000220220 is an abundant number, since it is smaller than the sum of its proper divisors (118882174148).

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

101000220220 is a wasteful number, since it uses less digits than its factorization.

101000220220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 699430 (or 699428 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 101000220220 its reverse (22022000101), we get a palindrome (123022220321).

The spelling of 101000220220 in words is "one hundred one billion, two hundred twenty thousand, two hundred twenty".