200121101220122 has 8 divisors (see below), whose sum is σ = 300184225776000. Its totient is φ = 100059692628124.

The previous prime is 200121101220113. The next prime is 200121101220143. The reversal of 200121101220122 is 221022101121002.

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

It is a self number, because there is not a number n which added to its sum of digits gives 200121101220122.

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, 428699372 + ... + 429165927.

It is an arithmetic number, because the mean of its divisors is an integer number (37523028222000).

Almost surely, 2^{200121101220122} is an apocalyptic number.

200121101220122 is a deficient number, since it is larger than the sum of its proper divisors (100063124555878).

200121101220122 is a wasteful number, since it uses less digits than its factorization.

200121101220122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 857981940.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 200121101220122 its reverse (221022101121002), we get a palindrome (421143202341124).

The spelling of 200121101220122 in words is "two hundred trillion, one hundred twenty-one billion, one hundred one million, two hundred twenty thousand, one hundred twenty-two".