211116112 has 10 divisors (see below), whose sum is σ = 409037498. Its totient is φ = 105558048.

The previous prime is 211116091. The next prime is 211116167. The reversal of 211116112 is 211611112.

It can be written as a sum of positive squares in only one way, i.e., 175403536 + 35712576 = 13244^2 + 5976^2 .

It is a Harshad number since it is a multiple of its sum of digits (16), and also a Moran number because the ratio is a prime number: 13194757 = 211116112 / (2 + 1 + 1 + 1 + 1 + 6 + 1 + 1 + 2).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6597363 + ... + 6597394.

Almost surely, 2^211116112 is an apocalyptic number.

It is an amenable number.

211116112 is a deficient number, since it is larger than the sum of its proper divisors (197921386).

211116112 is a wasteful number, since it uses less digits than its factorization.

211116112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13194765 (or 13194759 counting only the distinct ones).

The product of its digits is 24, while the sum is 16.

The square root of 211116112 is about 14529.8352365056. The cubic root of 211116112 is about 595.4433641995.

Adding to 211116112 its reverse (211611112), we get a palindrome (422727224).

The spelling of 211116112 in words is "two hundred eleven million, one hundred sixteen thousand, one hundred twelve".