200210120121122 has 4 divisors (see below), whose sum is σ = 300315180181686. Its totient is φ = 100105060060560.

The previous prime is 200210120121113. The next prime is 200210120121139. The reversal of 200210120121122 is 221121021012002.

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

It can be written as a sum of positive squares in only one way, i.e., 198283601105041 + 1926519016081 = 14081321^2 + 1387991^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 200210120121122.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50052530030279 + ... + 50052530030282.

Almost surely, 2^{200210120121122} is an apocalyptic number.

200210120121122 is a deficient number, since it is larger than the sum of its proper divisors (100105060060564).

200210120121122 is a wasteful number, since it uses less digits than its factorization.

200210120121122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100105060060563.

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

Adding to 200210120121122 its reverse (221121021012002), we get a palindrome (421331141133124).

The spelling of 200210120121122 in words is "two hundred trillion, two hundred ten billion, one hundred twenty million, one hundred twenty-one thousand, one hundred twenty-two".