211444012210 has 8 divisors (see below), whose sum is σ = 380599221996. Its totient is φ = 84577604880.

The previous prime is 211444012159. The next prime is 211444012211. The reversal of 211444012210 is 12210444112.

It can be written as a sum of positive squares in 2 ways, for example, as 197823021529 + 13620990681 = 444773^2 + 116709^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (211444012211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10572200601 + ... + 10572200620.

Almost surely, 2^211444012210 is an apocalyptic number.

211444012210 is a deficient number, since it is larger than the sum of its proper divisors (169155209786).

211444012210 is a wasteful number, since it uses less digits than its factorization.

211444012210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21144401228.

The product of its (nonzero) digits is 512, while the sum is 22.

Adding to 211444012210 its reverse (12210444112), we get a palindrome (223654456322).

The spelling of 211444012210 in words is "two hundred eleven billion, four hundred forty-four million, twelve thousand, two hundred ten".