213311112112 has 40 divisors (see below), whose sum is σ = 476050927616. Its totient is φ = 90699206976.

The previous prime is 213311112107. The next prime is 213311112121. The reversal of 213311112112 is 211211113312.

It is a self number, because there is not a number n which added to its sum of digits gives 213311112112.

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 7 ways as a sum of consecutive naturals, for example, 7484058 + ... + 7512505.

Almost surely, 2^213311112112 is an apocalyptic number.

It is an amenable number.

213311112112 is an abundant number, since it is smaller than the sum of its proper divisors (262739815504).

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

213311112112 is a wasteful number, since it uses less digits than its factorization.

213311112112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14996705 (or 14996699 counting only the distinct ones).

The product of its digits is 72, while the sum is 19.

Adding to 213311112112 its reverse (211211113312), we get a palindrome (424522225424).

The spelling of 213311112112 in words is "two hundred thirteen billion, three hundred eleven million, one hundred twelve thousand, one hundred twelve".