211103312 has 40 divisors (see below), whose sum is σ = 468124800. Its totient is φ = 90340992.

The previous prime is 211103311. The next prime is 211103317. The reversal of 211103312 is 213301112.

211103312 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211103311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 147014 + ... + 148442.

It is an arithmetic number, because the mean of its divisors is an integer number (11703120).

Almost surely, 2^211103312 is an apocalyptic number.

It is an amenable number.

211103312 is an abundant number, since it is smaller than the sum of its proper divisors (257021488).

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

211103312 is a wasteful number, since it uses less digits than its factorization.

211103312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2763 (or 2757 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 211103312 is about 14529.3947568369. The cubic root of 211103312 is about 595.4313300175.

Adding to 211103312 its reverse (213301112), we get a palindrome (424404424).

The spelling of 211103312 in words is "two hundred eleven million, one hundred three thousand, three hundred twelve".