200012221211122 has 4 divisors (see below), whose sum is σ = 300018331816686. Its totient is φ = 100006110605560.

The previous prime is 200012221211111. The next prime is 200012221211129. The reversal of 200012221211122 is 221112122210002.

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., 198466080664401 + 1546140546721 = 14087799^2 + 1243439^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 200012221211122.

It is not an unprimeable number, because it can be changed into a prime (200012221211129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50003055302779 + ... + 50003055302782.

Almost surely, 2^{200012221211122} is an apocalyptic number.

200012221211122 is a deficient number, since it is larger than the sum of its proper divisors (100006110605564).

200012221211122 is a wasteful number, since it uses less digits than its factorization.

200012221211122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100006110605563.

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

Adding to 200012221211122 its reverse (221112122210002), we get a palindrome (421124343421124).

The spelling of 200012221211122 in words is "two hundred trillion, twelve billion, two hundred twenty-one million, two hundred eleven thousand, one hundred twenty-two".