200202222010121 has 8 divisors (see below), whose sum is σ = 212025752503560. Its totient is φ = 188383905872128.

The previous prime is 200202222010099. The next prime is 200202222010151. The reversal of 200202222010121 is 121010222202002.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 26108420929600 + 174093801080521 = 5109640^2 + 13194461^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-200202222010121 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 200202222010121.

It is not an unprimeable number, because it can be changed into a prime (200202222010151) 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, 1303509806 + ... + 1303663383.

It is an arithmetic number, because the mean of its divisors is an integer number (26503219062945).

Almost surely, 2^{200202222010121} is an apocalyptic number.

It is an amenable number.

200202222010121 is a deficient number, since it is larger than the sum of its proper divisors (11823530493439).

200202222010121 is a wasteful number, since it uses less digits than its factorization.

200202222010121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2607177723.

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

Adding to 200202222010121 its reverse (121010222202002), we get a palindrome (321212444212123).

The spelling of 200202222010121 in words is "two hundred trillion, two hundred two billion, two hundred twenty-two million, ten thousand, one hundred twenty-one".