221102112201202 has 16 divisors (see below), whose sum is σ = 336427757672832. Its totient is φ = 108965707009360.

The previous prime is 221102112201199. The next prime is 221102112201221. The reversal of 221102112201202 is 202102211201122.

It is a super-2 number, since 2×221102112201202² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 221102112201202.

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, 1545102973 + ... + 1545246064.

It is an arithmetic number, because the mean of its divisors is an integer number (21026734854552).

Almost surely, 2^{221102112201202} is an apocalyptic number.

221102112201202 is a deficient number, since it is larger than the sum of its proper divisors (115325645471630).

221102112201202 is a wasteful number, since it uses less digits than its factorization.

221102112201202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3090349553.

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

Adding to 221102112201202 its reverse (202102211201122), we get a palindrome (423204323402324).

The spelling of 221102112201202 in words is "two hundred twenty-one trillion, one hundred two billion, one hundred twelve million, two hundred one thousand, two hundred two".