201010210100220 has 48 divisors (see below), whose sum is σ = 582236470640160. Its totient is φ = 51754352944896.

The previous prime is 201010210100213. The next prime is 201010210100251. The reversal of 201010210100220 is 22001012010102.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 201010210100196 and 201010210100205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57761552887 + ... + 57761556366.

It is an arithmetic number, because the mean of its divisors is an integer number (12129926471670).

Almost surely, 2^{201010210100220} is an apocalyptic number.

201010210100220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201010210100220 is an abundant number, since it is smaller than the sum of its proper divisors (381226260539940).

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

201010210100220 is a wasteful number, since it uses less digits than its factorization.

201010210100220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115523109294 (or 115523109292 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 201010210100220 its reverse (22001012010102), we get a palindrome (223011222110322).

The spelling of 201010210100220 in words is "two hundred one trillion, ten billion, two hundred ten million, one hundred thousand, two hundred twenty".