221010200202202 has 4 divisors (see below), whose sum is σ = 331515300303306. Its totient is φ = 110505100101100.

The previous prime is 221010200202163. The next prime is 221010200202203. The reversal of 221010200202202 is 202202002010122.

221010200202202 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 121636436689881 + 99373763512321 = 11028891^2 + 9968639^2 .

It is not an unprimeable number, because it can be changed into a prime (221010200202203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55252550050549 + ... + 55252550050552.

Almost surely, 2^{221010200202202} is an apocalyptic number.

221010200202202 is a deficient number, since it is larger than the sum of its proper divisors (110505100101104).

221010200202202 is a wasteful number, since it uses less digits than its factorization.

221010200202202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110505100101103.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 221010200202202 its reverse (202202002010122), we get a palindrome (423212202212324).

The spelling of 221010200202202 in words is "two hundred twenty-one trillion, ten billion, two hundred million, two hundred two thousand, two hundred two".