212111132103 has 24 divisors (see below), whose sum is σ = 333034320528. Its totient is φ = 129310013952.

The previous prime is 212111132099. The next prime is 212111132113. The reversal of 212111132103 is 301231111212.

212111132103 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 212111132103 - 2² = 212111132099 is a prime.

It is a super-2 number, since 2×212111132103² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212111132113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8459050 + ... + 8484087.

It is an arithmetic number, because the mean of its divisors is an integer number (13876430022).

Almost surely, 2^212111132103 is an apocalyptic number.

212111132103 is a deficient number, since it is larger than the sum of its proper divisors (120923188425).

212111132103 is a wasteful number, since it uses less digits than its factorization.

212111132103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16943263 (or 16943260 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 212111132103 its reverse (301231111212), we get a palindrome (513342243315).

The spelling of 212111132103 in words is "two hundred twelve billion, one hundred eleven million, one hundred thirty-two thousand, one hundred three".