200121222202 has 8 divisors (see below), whose sum is σ = 327471090912. Its totient is φ = 90964191900.

The previous prime is 200121222163. The next prime is 200121222209. The reversal of 200121222202 is 202222121002.

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

It is not an unprimeable number, because it can be changed into a prime (200121222209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4548209574 + ... + 4548209617.

It is an arithmetic number, because the mean of its divisors is an integer number (40933886364).

Almost surely, 2^200121222202 is an apocalyptic number.

200121222202 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

200121222202 is a deficient number, since it is larger than the sum of its proper divisors (127349868710).

200121222202 is a wasteful number, since it uses less digits than its factorization.

200121222202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9096419204.

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

Adding to 200121222202 its reverse (202222121002), we get a palindrome (402343343204).

The spelling of 200121222202 in words is "two hundred billion, one hundred twenty-one million, two hundred twenty-two thousand, two hundred two".