201200221100002 has 4 divisors (see below), whose sum is σ = 301800331650006. Its totient is φ = 100600110550000.

The previous prime is 201200221099987. The next prime is 201200221100101. The reversal of 201200221100002 is 200001122002102.

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., 184707371122681 + 16492849977321 = 13590709^2 + 4061139^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50300055274999 + ... + 50300055275002.

Almost surely, 2^{201200221100002} is an apocalyptic number.

201200221100002 is a deficient number, since it is larger than the sum of its proper divisors (100600110550004).

201200221100002 is a wasteful number, since it uses less digits than its factorization.

201200221100002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100600110550003.

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

Adding to 201200221100002 its reverse (200001122002102), we get a palindrome (401201343102104).

The spelling of 201200221100002 in words is "two hundred one trillion, two hundred billion, two hundred twenty-one million, one hundred thousand, two".