221011102202202 has 48 divisors (see below), whose sum is σ = 515719955761920. Its totient is φ = 67999804991136.

The previous prime is 221011102202201. The next prime is 221011102202213. The reversal of 221011102202202 is 202202201110122.

It is a happy number.

221011102202202 is a `hidden beast` number, since 2 + 210 + 1 + 1 + 10 + 220 + 220 + 2 = 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 (221011102202201) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20659138 + ... + 29475789.

It is an arithmetic number, because the mean of its divisors is an integer number (10744165745040).

Almost surely, 2^{221011102202202} is an apocalyptic number.

221011102202202 is an abundant number, since it is smaller than the sum of its proper divisors (294708853559718).

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

221011102202202 is a wasteful number, since it uses less digits than its factorization.

221011102202202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50153787 (or 50153784 counting only the distinct ones).

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

Adding to 221011102202202 its reverse (202202201110122), we get a palindrome (423213303312324).

The spelling of 221011102202202 in words is "two hundred twenty-one trillion, eleven billion, one hundred two million, two hundred two thousand, two hundred two".