211130200023312 has 20 divisors (see below), whose sum is σ = 545419683393680. Its totient is φ = 70376733341088.

The previous prime is 211130200023293. The next prime is 211130200023317. The reversal of 211130200023312 is 213320002031112.

It is a super-2 number, since 2×211130200023312² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (211130200023317) 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, 2199272916862 + ... + 2199272916957.

It is an arithmetic number, because the mean of its divisors is an integer number (27270984169684).

Almost surely, 2^{211130200023312} is an apocalyptic number.

It is an amenable number.

211130200023312 is an abundant number, since it is smaller than the sum of its proper divisors (334289483370368).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

211130200023312 is a wasteful number, since it uses less digits than its factorization.

211130200023312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4398545833830 (or 4398545833824 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 211130200023312 its reverse (213320002031112), we get a palindrome (424450202054424).

The spelling of 211130200023312 in words is "two hundred eleven trillion, one hundred thirty billion, two hundred million, twenty-three thousand, three hundred twelve".