2112100010023 has 4 divisors (see below), whose sum is σ = 2112119399880. Its totient is φ = 2112080620168.

The previous prime is 2112100010021. The next prime is 2112100010087. The reversal of 2112100010023 is 3200100012112.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2112100010023 - 2¹ = 2112100010021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2112100009985 and 2112100010012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2112100010021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9530608 + ... + 9749701.

It is an arithmetic number, because the mean of its divisors is an integer number (528029849970).

Almost surely, 2^{2112100010023} is an apocalyptic number.

2112100010023 is a deficient number, since it is larger than the sum of its proper divisors (19389857).

2112100010023 is a wasteful number, since it uses less digits than its factorization.

2112100010023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19389856.

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

Adding to 2112100010023 its reverse (3200100012112), we get a palindrome (5312200022135).

The spelling of 2112100010023 in words is "two trillion, one hundred twelve billion, one hundred million, ten thousand, twenty-three".