211130330223 has 16 divisors (see below), whose sum is σ = 282836226816. Its totient is φ = 140089974720.

The previous prime is 211130330219. The next prime is 211130330239. The reversal of 211130330223 is 322033031112.

It is not a de Polignac number, because 211130330223 - 2² = 211130330219 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 211130330223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211130330423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 743568 + ... + 987498.

It is an arithmetic number, because the mean of its divisors is an integer number (17677264176).

Almost surely, 2^211130330223 is an apocalyptic number.

211130330223 is a deficient number, since it is larger than the sum of its proper divisors (71705896593).

211130330223 is a wasteful number, since it uses less digits than its factorization.

211130330223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245294.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 211130330223 its reverse (322033031112), we get a palindrome (533163361335).

The spelling of 211130330223 in words is "two hundred eleven billion, one hundred thirty million, three hundred thirty thousand, two hundred twenty-three".