211305113002 has 4 divisors (see below), whose sum is σ = 316957669506. Its totient is φ = 105652556500.

The previous prime is 211305112957. The next prime is 211305113057. The reversal of 211305113002 is 200311503112.

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., 200721024361 + 10584088641 = 448019^2 + 102879^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52826278249 + ... + 52826278252.

Almost surely, 2^211305113002 is an apocalyptic number.

211305113002 is a deficient number, since it is larger than the sum of its proper divisors (105652556504).

211305113002 is a wasteful number, since it uses less digits than its factorization.

211305113002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105652556503.

The product of its (nonzero) digits is 180, while the sum is 19.

Adding to 211305113002 its reverse (200311503112), we get a palindrome (411616616114).

The spelling of 211305113002 in words is "two hundred eleven billion, three hundred five million, one hundred thirteen thousand, two".