201000220110 has 96 divisors (see below), whose sum is σ = 527716661472. Its totient is φ = 53075777280.

The previous prime is 201000220093. The next prime is 201000220121. The reversal of 201000220110 is 11022000102.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 201000220092 and 201000220101.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 40029400 + ... + 40034420.

It is an arithmetic number, because the mean of its divisors is an integer number (5497048557).

Almost surely, 2^201000220110 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 201000220110, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (263858330736).

201000220110 is an abundant number, since it is smaller than the sum of its proper divisors (326716441362).

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

201000220110 is a wasteful number, since it uses less digits than its factorization.

201000220110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9298 (or 9295 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 201000220110 its reverse (11022000102), we get a palindrome (212022220212).

The spelling of 201000220110 in words is "two hundred one billion, two hundred twenty thousand, one hundred ten".