221010200202122 has 8 divisors (see below), whose sum is σ = 332325851160900. Its totient is φ = 110234916481824.

The previous prime is 221010200202061. The next prime is 221010200202163. The reversal of 221010200202122 is 221202002010122.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 219001492092601 + 2008708109521 = 14798699^2 + 1417289^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 221010200202122.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 135091808597 + ... + 135091810232.

Almost surely, 2^{221010200202122} is an apocalyptic number.

221010200202122 is a deficient number, since it is larger than the sum of its proper divisors (111315650958778).

221010200202122 is a wasteful number, since it uses less digits than its factorization.

221010200202122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270183619240.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 221010200202122 its reverse (221202002010122), we get a palindrome (442212202212244).

The spelling of 221010200202122 in words is "two hundred twenty-one trillion, ten billion, two hundred million, two hundred two thousand, one hundred twenty-two".