211200210120202 has 4 divisors (see below), whose sum is σ = 316800315180306. Its totient is φ = 105600105060100.

The previous prime is 211200210120167. The next prime is 211200210120203. The reversal of 211200210120202 is 202021012002112.

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., 120071211205401 + 91128998914801 = 10957701^2 + 9546151^2 .

It is not an unprimeable number, because it can be changed into a prime (211200210120203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52800052530049 + ... + 52800052530052.

Almost surely, 2^{211200210120202} is an apocalyptic number.

211200210120202 is a deficient number, since it is larger than the sum of its proper divisors (105600105060104).

211200210120202 is a wasteful number, since it uses less digits than its factorization.

211200210120202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105600105060103.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 211200210120202 its reverse (202021012002112), we get a palindrome (413221222122314).

The spelling of 211200210120202 in words is "two hundred eleven trillion, two hundred billion, two hundred ten million, one hundred twenty thousand, two hundred two".