211113211112 has 32 divisors (see below), whose sum is σ = 405677462400. Its totient is φ = 102964752384.

The previous prime is 211113211109. The next prime is 211113211189. The reversal of 211113211112 is 211112311112.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1959833 + ... + 2064744.

It is an arithmetic number, because the mean of its divisors is an integer number (12677420700).

Almost surely, 2^211113211112 is an apocalyptic number.

It is an amenable number.

211113211112 is a deficient number, since it is larger than the sum of its proper divisors (194564251288).

211113211112 is a wasteful number, since it uses less digits than its factorization.

211113211112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4024745 (or 4024741 counting only the distinct ones).

The product of its digits is 24, while the sum is 17.

Adding to 211113211112 its reverse (211112311112), we get a palindrome (422225522224).

The spelling of 211113211112 in words is "two hundred eleven billion, one hundred thirteen million, two hundred eleven thousand, one hundred twelve".