201210111000220 has 48 divisors (see below), whose sum is σ = 483082395038208. Its totient is φ = 68960876823360.

The previous prime is 201210111000167. The next prime is 201210111000247. The reversal of 201210111000220 is 22000111012102.

It is a self number, because there is not a number n which added to its sum of digits gives 201210111000220.

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, 264691482 + ... + 265450561.

It is an arithmetic number, because the mean of its divisors is an integer number (10064216563296).

Almost surely, 2^{201210111000220} is an apocalyptic number.

201210111000220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201210111000220 is an abundant number, since it is smaller than the sum of its proper divisors (281872284037988).

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

201210111000220 is a wasteful number, since it uses less digits than its factorization.

201210111000220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 530144770 (or 530144768 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 201210111000220 its reverse (22000111012102), we get a palindrome (223210222012322).

The spelling of 201210111000220 in words is "two hundred one trillion, two hundred ten billion, one hundred eleven million, two hundred twenty", and thus it is an aban number.