200202112222221 has 8 divisors (see below), whose sum is σ = 266936397577024. Its totient is φ = 133467950841120.

The previous prime is 200202112222109. The next prime is 200202112222243. The reversal of 200202112222221 is 122222211202002.

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

It is not a de Polignac number, because 200202112222221 - 2²⁷ = 200201978004493 is a prime.

It is a super-2 number, since 2×200202112222221² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200202112222621) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27157561 + ... + 33733326.

It is an arithmetic number, because the mean of its divisors is an integer number (33367049697128).

Almost surely, 2^{200202112222221} is an apocalyptic number.

It is an amenable number.

200202112222221 is a deficient number, since it is larger than the sum of its proper divisors (66734285354803).

200202112222221 is a wasteful number, since it uses less digits than its factorization.

200202112222221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61986851.

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 200202112222221 its reverse (122222211202002), we get a palindrome (322424323424223).

The spelling of 200202112222221 in words is "two hundred trillion, two hundred two billion, one hundred twelve million, two hundred twenty-two thousand, two hundred twenty-one".