200011122 has 24 divisors (see below), whose sum is σ = 445071276. Its totient is φ = 64868256.

The previous prime is 200011117. The next prime is 200011129. The reversal of 200011122 is 221110002.

It can be written as a sum of positive squares in 2 ways, for example, as 194853681 + 5157441 = 13959^2 + 2271^2 .

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (200011129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 149493 + ... + 150824.

Almost surely, 2^200011122 is an apocalyptic number.

200011122 is an abundant number, since it is smaller than the sum of its proper divisors (245060154).

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

200011122 is a wasteful number, since it uses less digits than its factorization.

200011122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 300362 (or 300359 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

The square root of 200011122 is about 14142.5288403454. The cubic root of 200011122 is about 584.8143877501.

Adding to 200011122 its reverse (221110002), we get a palindrome (421121124).

The spelling of 200011122 in words is "two hundred million, eleven thousand, one hundred twenty-two".