211204210213 has 4 divisors (see below), whose sum is σ = 212499941728. Its totient is φ = 209908478700.

The previous prime is 211204210199. The next prime is 211204210249. The reversal of 211204210213 is 312012402112.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 211204210213 - 2²¹ = 211202113061 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211204210253) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 647865513 + ... + 647865838.

It is an arithmetic number, because the mean of its divisors is an integer number (53124985432).

Almost surely, 2^211204210213 is an apocalyptic number.

It is an amenable number.

211204210213 is a deficient number, since it is larger than the sum of its proper divisors (1295731515).

211204210213 is a wasteful number, since it uses less digits than its factorization.

211204210213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1295731514.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 211204210213 its reverse (312012402112), we get a palindrome (523216612325).

The spelling of 211204210213 in words is "two hundred eleven billion, two hundred four million, two hundred ten thousand, two hundred thirteen".