200121120211122 has 48 divisors (see below), whose sum is σ = 473262381296640. Its totient is φ = 60610863132000.

The previous prime is 200121120211109. The next prime is 200121120211153. The reversal of 200121120211122 is 221112021121002.

200121120211122 is a `hidden beast` number, since 200 + 1 + 211 + 20 + 211 + 1 + 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 = 200121120211095 and 200121120211104.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 265460722 + ... + 266213517.

It is an arithmetic number, because the mean of its divisors is an integer number (9859632943680).

Almost surely, 2^{200121120211122} is an apocalyptic number.

200121120211122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

200121120211122 is an abundant number, since it is smaller than the sum of its proper divisors (273141261085518).

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

200121120211122 is a wasteful number, since it uses less digits than its factorization.

200121120211122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 531676159 (or 531676156 counting only the distinct ones).

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

Adding to 200121120211122 its reverse (221112021121002), we get a palindrome (421233141332124).

The spelling of 200121120211122 in words is "two hundred trillion, one hundred twenty-one billion, one hundred twenty million, two hundred eleven thousand, one hundred twenty-two".