20112100031233 has 8 divisors (see below), whose sum is σ = 22990175952768. Its totient is φ = 17235253803264.

The previous prime is 20112100031167. The next prime is 20112100031237. The reversal of 20112100031233 is 33213000121102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20112100031233 - 2⁹ = 20112100030721 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20112100031233.

It is not an unprimeable number, because it can be changed into a prime (20112100031237) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 307388341 + ... + 307453762.

It is an arithmetic number, because the mean of its divisors is an integer number (2873771994096).

Almost surely, 2^{20112100031233} is an apocalyptic number.

It is an amenable number.

20112100031233 is a deficient number, since it is larger than the sum of its proper divisors (2878075921535).

20112100031233 is an equidigital number, since it uses as much as digits as its factorization.

20112100031233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 614846783.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 20112100031233 its reverse (33213000121102), we get a palindrome (53325100152335).

The spelling of 20112100031233 in words is "twenty trillion, one hundred twelve billion, one hundred million, thirty-one thousand, two hundred thirty-three".