221021112201202 has 16 divisors (see below), whose sum is σ = 331687281907872. Its totient is φ = 110458687222240.

The previous prime is 221021112201187. The next prime is 221021112201251. The reversal of 221021112201202 is 202102211120122.

It is a self number, because there is not a number n which added to its sum of digits gives 221021112201202.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 197593398 + ... + 198708814.

It is an arithmetic number, because the mean of its divisors is an integer number (20730455119242).

Almost surely, 2^{221021112201202} is an apocalyptic number.

221021112201202 is a deficient number, since it is larger than the sum of its proper divisors (110666169706670).

221021112201202 is a wasteful number, since it uses less digits than its factorization.

221021112201202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1161833.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 221021112201202 its reverse (202102211120122), we get a palindrome (423123323321324).

The spelling of 221021112201202 in words is "two hundred twenty-one trillion, twenty-one billion, one hundred twelve million, two hundred one thousand, two hundred two".