221010222110202 has 96 divisors (see below), whose sum is σ = 560605174272000. Its totient is φ = 61609567088160.

The previous prime is 221010222110201. The next prime is 221010222110219. The reversal of 221010222110202 is 202011222010122.

It is a happy number.

221010222110202 is a `hidden beast` number, since 221 + 0 + 10 + 2 + 221 + 10 + 202 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (221010222110201) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 17452702 + ... + 27324297.

It is an arithmetic number, because the mean of its divisors is an integer number (5839637232000).

Almost surely, 2^{221010222110202} is an apocalyptic number.

221010222110202 is an abundant number, since it is smaller than the sum of its proper divisors (339594952161798).

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

221010222110202 is a wasteful number, since it uses less digits than its factorization.

221010222110202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44777968 (or 44777965 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 221010222110202 its reverse (202011222010122), we get a palindrome (423021444120324).

The spelling of 221010222110202 in words is "two hundred twenty-one trillion, ten billion, two hundred twenty-two million, one hundred ten thousand, two hundred two".