202201221120 has 384 divisors, whose sum is σ = 677613081600. Its totient is φ = 51377537024.

The previous prime is 202201221043. The next prime is 202201221161. The reversal of 202201221120 is 21122102202.

It is a tau number, because it is divible by the number of its divisors (384).

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 202201221120.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 296048299 + ... + 296048981.

It is an arithmetic number, because the mean of its divisors is an integer number (1764617400).

Almost surely, 2^202201221120 is an apocalyptic number.

202201221120 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 202201221120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (338806540800).

202201221120 is an abundant number, since it is smaller than the sum of its proper divisors (475411860480).

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

202201221120 is a wasteful number, since it uses less digits than its factorization.

202201221120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1155 (or 1135 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 202201221120 its reverse (21122102202), we get a palindrome (223323323322).

The spelling of 202201221120 in words is "two hundred two billion, two hundred one million, two hundred twenty-one thousand, one hundred twenty".