200121220221122 has 8 divisors (see below), whose sum is σ = 300182337654336. Its totient is φ = 100060441003012.

The previous prime is 200121220221113. The next prime is 200121220221133. The reversal of 200121220221122 is 221122022121002.

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 = 200121220221094 and 200121220221103.

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, 83069318 + ... + 85444449.

It is an arithmetic number, because the mean of its divisors is an integer number (37522792206792).

Almost surely, 2^{200121220221122} is an apocalyptic number.

200121220221122 is a deficient number, since it is larger than the sum of its proper divisors (100061117433214).

200121220221122 is a wasteful number, since it uses less digits than its factorization.

200121220221122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169107552.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 200121220221122 its reverse (221122022121002), we get a palindrome (421243242342124).

The spelling of 200121220221122 in words is "two hundred trillion, one hundred twenty-one billion, two hundred twenty million, two hundred twenty-one thousand, one hundred twenty-two".