200001122 has 4 divisors (see below), whose sum is σ = 300001686. Its totient is φ = 100000560.

The previous prime is 200001103. The next prime is 200001143. The reversal of 200001122 is 221100002.

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., 143736121 + 56265001 = 11989^2 + 7501^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50000279 + ... + 50000282.

Almost surely, 2^200001122 is an apocalyptic number.

200001122 is a deficient number, since it is larger than the sum of its proper divisors (100000564).

200001122 is a wasteful number, since it uses less digits than its factorization.

200001122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100000563.

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

The square root of 200001122 is about 14142.1752923657. The cubic root of 200001122 is about 584.8046412232.

Adding to 200001122 its reverse (221100002), we get a palindrome (421101124).

The spelling of 200001122 in words is "two hundred million, one thousand, one hundred twenty-two".