200121021120222 has 48 divisors (see below), whose sum is σ = 446656875865200. Its totient is φ = 64718394806016.

The previous prime is 200121021120197. The next prime is 200121021120247. The reversal of 200121021120222 is 222021120121002.

It is a happy number.

200121021120222 is a `hidden beast` number, since 2 + 0 + 0 + 1 + 210 + 211 + 20 + 222 = 666.

It is an interprime number because it is at equal distance from previous prime (200121021120197) and next prime (200121021120247).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 200121021120195 and 200121021120204.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 867516523 + ... + 867747174.

It is an arithmetic number, because the mean of its divisors is an integer number (9305351580525).

Almost surely, 2^{200121021120222} is an apocalyptic number.

200121021120222 is an abundant number, since it is smaller than the sum of its proper divisors (246535854744978).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

200121021120222 is a wasteful number, since it uses less digits than its factorization.

200121021120222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1735263897 (or 1735263894 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 200121021120222 its reverse (222021120121002), we get a palindrome (422142141241224).

The spelling of 200121021120222 in words is "two hundred trillion, one hundred twenty-one billion, twenty-one million, one hundred twenty thousand, two hundred twenty-two".