211066416202 has 4 divisors (see below), whose sum is σ = 316599624306. Its totient is φ = 105533208100.

The previous prime is 211066416199. The next prime is 211066416247. The reversal of 211066416202 is 202614660112.

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., 140086266961 + 70980149241 = 374281^2 + 266421^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52766604049 + ... + 52766604052.

Almost surely, 2^211066416202 is an apocalyptic number.

211066416202 is a deficient number, since it is larger than the sum of its proper divisors (105533208104).

211066416202 is a wasteful number, since it uses less digits than its factorization.

211066416202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105533208103.

The product of its (nonzero) digits is 6912, while the sum is 31.

The spelling of 211066416202 in words is "two hundred eleven billion, sixty-six million, four hundred sixteen thousand, two hundred two".