201102112010220 has 192 divisors, whose sum is σ = 571749881472000. Its totient is φ = 52804076774400.

The previous prime is 201102112010119. The next prime is 201102112010279. The reversal of 201102112010220 is 22010211201102.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 201102112010220.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 11330325906 + ... + 11330343654.

It is an arithmetic number, because the mean of its divisors is an integer number (2977863966000).

Almost surely, 2^{201102112010220} is an apocalyptic number.

201102112010220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 201102112010220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (285874940736000).

201102112010220 is an abundant number, since it is smaller than the sum of its proper divisors (370647769461780).

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

201102112010220 is a wasteful number, since it uses less digits than its factorization.

201102112010220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21096 (or 21094 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 201102112010220 its reverse (22010211201102), we get a palindrome (223112323211322).

The spelling of 201102112010220 in words is "two hundred one trillion, one hundred two billion, one hundred twelve million, ten thousand, two hundred twenty".