200210121121122 has 48 divisors (see below), whose sum is σ = 495780801122880. Its totient is φ = 57200306445216.

The previous prime is 200210121121111. The next prime is 200210121121139. The reversal of 200210121121122 is 221121121012002.

200210121121122 is a `hidden beast` number, since 200 + 21 + 0 + 1 + 211 + 211 + 22 = 666.

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 = 200210121121095 and 200210121121104.

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, 33107172 + ... + 38684687.

It is an arithmetic number, because the mean of its divisors is an integer number (10328766690060).

Almost surely, 2^{200210121121122} is an apocalyptic number.

200210121121122 is an abundant number, since it is smaller than the sum of its proper divisors (295570680001758).

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

200210121121122 is a wasteful number, since it uses less digits than its factorization.

200210121121122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71814007 (or 71814004 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 200210121121122 its reverse (221121121012002), we get a palindrome (421331242133124).

The spelling of 200210121121122 in words is "two hundred trillion, two hundred ten billion, one hundred twenty-one million, one hundred twenty-one thousand, one hundred twenty-two".