211113110112 has 24 divisors (see below), whose sum is σ = 554171914296. Its totient is φ = 70371036672.

The previous prime is 211113110111. The next prime is 211113110161. The reversal of 211113110112 is 211011311112.

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-2 number, since 2×211113110112² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 211113110091 and 211113110100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211113110111) 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, 1099547353 + ... + 1099547544.

It is an arithmetic number, because the mean of its divisors is an integer number (23090496429).

Almost surely, 2^211113110112 is an apocalyptic number.

It is an amenable number.

211113110112 is an abundant number, since it is smaller than the sum of its proper divisors (343058804184).

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

211113110112 is a wasteful number, since it uses less digits than its factorization.

211113110112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2199094910 (or 2199094902 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 15.

Adding to 211113110112 its reverse (211011311112), we get a palindrome (422124421224).

The spelling of 211113110112 in words is "two hundred eleven billion, one hundred thirteen million, one hundred ten thousand, one hundred twelve".