20211310112 has 96 divisors (see below), whose sum is σ = 47101461120. Its totient is φ = 8353013760.

The previous prime is 20211310109. The next prime is 20211310117. The reversal of 20211310112 is 21101311202.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is not an unprimeable number, because it can be changed into a prime (20211310117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7605488 + ... + 7608144.

It is an arithmetic number, because the mean of its divisors is an integer number (490640220).

Almost surely, 2^20211310112 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 20211310112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23550730560).

20211310112 is an abundant number, since it is smaller than the sum of its proper divisors (26890151008).

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

20211310112 is a wasteful number, since it uses less digits than its factorization.

20211310112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3874 (or 3866 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 20211310112 its reverse (21101311202), we get a palindrome (41312621314).

The spelling of 20211310112 in words is "twenty billion, two hundred eleven million, three hundred ten thousand, one hundred twelve".