113211010112 has 56 divisors (see below), whose sum is σ = 229553170560. Its totient is φ = 55372106240.

The previous prime is 113211010103. The next prime is 113211010141. The reversal of 113211010112 is 211010112311.

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, 6431339 + ... + 6448917.

It is an arithmetic number, because the mean of its divisors is an integer number (4099163760).

Almost surely, 2^113211010112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 113211010112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (114776585280).

113211010112 is an abundant number, since it is smaller than the sum of its proper divisors (116342160448).

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

113211010112 is a wasteful number, since it uses less digits than its factorization.

113211010112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19779 (or 19769 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 14.

Adding to 113211010112 its reverse (211010112311), we get a palindrome (324221122423).

The spelling of 113211010112 in words is "one hundred thirteen billion, two hundred eleven million, ten thousand, one hundred twelve".