213103321112 has 24 divisors (see below), whose sum is σ = 439195379700. Its totient is φ = 96865145520.

The previous prime is 213103321069. The next prime is 213103321133. The reversal of 213103321112 is 211123301312.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 110073062 + ... + 110074997.

Almost surely, 2^213103321112 is an apocalyptic number.

213103321112 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

213103321112 is an abundant number, since it is smaller than the sum of its proper divisors (226092058588).

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

213103321112 is a wasteful number, since it uses less digits than its factorization.

213103321112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220148087 (or 220148072 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 213103321112 its reverse (211123301312), we get a palindrome (424226622424).

The spelling of 213103321112 in words is "two hundred thirteen billion, one hundred three million, three hundred twenty-one thousand, one hundred twelve".