200121422 has 8 divisors (see below), whose sum is σ = 300295776. Its totient is φ = 100022832.

The previous prime is 200121421. The next prime is 200121479. The reversal of 200121422 is 224121002.

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

It is a junction number, because it is equal to n+sod(n) for n = 200121397 and 200121406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200121421) 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, 11798 + ... + 23225.

It is an arithmetic number, because the mean of its divisors is an integer number (37536972).

Almost surely, 2^200121422 is an apocalyptic number.

200121422 is a deficient number, since it is larger than the sum of its proper divisors (100174354).

200121422 is a wasteful number, since it uses less digits than its factorization.

200121422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37882.

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 200121422 is about 14146.4278883399. The cubic root of 200121422 is about 584.9218703948.

Adding to 200121422 its reverse (224121002), we get a palindrome (424242424).

The spelling of 200121422 in words is "two hundred million, one hundred twenty-one thousand, four hundred twenty-two".