201010221220220 has 48 divisors (see below), whose sum is σ = 447730279920000. Its totient is φ = 75590826442560.

The previous prime is 201010221220117. The next prime is 201010221220223. The reversal of 201010221220220 is 22022122010102.

It is a happy number.

201010221220220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201010221220223) 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, 2018935970 + ... + 2019035529.

It is an arithmetic number, because the mean of its divisors is an integer number (9327714165000).

Almost surely, 2^{201010221220220} is an apocalyptic number.

201010221220220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201010221220220 is an abundant number, since it is smaller than the sum of its proper divisors (246720058699780).

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

201010221220220 is a wasteful number, since it uses less digits than its factorization.

201010221220220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4037971658 (or 4037971656 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 201010221220220 its reverse (22022122010102), we get a palindrome (223032343230322).

The spelling of 201010221220220 in words is "two hundred one trillion, ten billion, two hundred twenty-one million, two hundred twenty thousand, two hundred twenty".