200201210122 has 4 divisors (see below), whose sum is σ = 300301815186. Its totient is φ = 100100605060.

The previous prime is 200201210101. The next prime is 200201210147. The reversal of 200201210122 is 221012102002.

It is a happy number.

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., 187583405881 + 12617804241 = 433109^2 + 112329^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50050302529 + ... + 50050302532.

Almost surely, 2^200201210122 is an apocalyptic number.

200201210122 is a deficient number, since it is larger than the sum of its proper divisors (100100605064).

200201210122 is a wasteful number, since it uses less digits than its factorization.

200201210122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100100605063.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 200201210122 its reverse (221012102002), we get a palindrome (421213312124).

The spelling of 200201210122 in words is "two hundred billion, two hundred one million, two hundred ten thousand, one hundred twenty-two".