200121121120222 has 4 divisors (see below), whose sum is σ = 300181681680336. Its totient is φ = 100060560560110.

The previous prime is 200121121120183. The next prime is 200121121120241. The reversal of 200121121120222 is 222021121121002.

200121121120222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 200121121120222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50030280280054 + ... + 50030280280057.

It is an arithmetic number, because the mean of its divisors is an integer number (75045420420084).

Almost surely, 2^{200121121120222} is an apocalyptic number.

200121121120222 is a deficient number, since it is larger than the sum of its proper divisors (100060560560114).

200121121120222 is a wasteful number, since it uses less digits than its factorization.

200121121120222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100060560560113.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 200121121120222 its reverse (222021121121002), we get a palindrome (422142242241224).

The spelling of 200121121120222 in words is "two hundred trillion, one hundred twenty-one billion, one hundred twenty-one million, one hundred twenty thousand, two hundred twenty-two".