20101112230 has 48 divisors (see below), whose sum is σ = 37695904272. Its totient is φ = 7715347200.

The previous prime is 20101112221. The next prime is 20101112231. The reversal of 20101112230 is 3221110102.

It is a self number, because there is not a number n which added to its sum of digits gives 20101112230.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20101112231) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 1015609 + ... + 1035211.

It is an arithmetic number, because the mean of its divisors is an integer number (785331339).

Almost surely, 2^20101112230 is an apocalyptic number.

20101112230 is a deficient number, since it is larger than the sum of its proper divisors (17594792042).

20101112230 is a wasteful number, since it uses less digits than its factorization.

20101112230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19753 (or 19712 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 20101112230 its reverse (3221110102), we get a palindrome (23322222332).

The spelling of 20101112230 in words is "twenty billion, one hundred one million, one hundred twelve thousand, two hundred thirty".