113211123112 has 32 divisors (see below), whose sum is σ = 221525959680. Its totient is φ = 54138110400.

The previous prime is 113211123107. The next prime is 113211123143. The reversal of 113211123112 is 211321112311.

It is a self number, because there is not a number n which added to its sum of digits gives 113211123112.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1790713 + ... + 1852855.

It is an arithmetic number, because the mean of its divisors is an integer number (6922686240).

Almost surely, 2^113211123112 is an apocalyptic number.

It is an amenable number.

113211123112 is a deficient number, since it is larger than the sum of its proper divisors (108314836568).

113211123112 is a wasteful number, since it uses less digits than its factorization.

113211123112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72073 (or 72069 counting only the distinct ones).

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

Adding to 113211123112 its reverse (211321112311), we get a palindrome (324532235423).

It can be divided in two parts, 11321112311 and 2, that multiplied together give a palindrome (22642224622).

The spelling of 113211123112 in words is "one hundred thirteen billion, two hundred eleven million, one hundred twenty-three thousand, one hundred twelve".