21112102002023 has 2 divisors, whose sum is σ = 21112102002024. Its totient is φ = 21112102002022.

The previous prime is 21112102002001. The next prime is 21112102002049. The reversal of 21112102002023 is 32020020121112.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 21112102002023 - 2¹⁶ = 21112101936487 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 21112102001992 and 21112102002010.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (21112102002053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10556051001011 + 10556051001012.

It is an arithmetic number, because the mean of its divisors is an integer number (10556051001012).

Almost surely, 2^{21112102002023} is an apocalyptic number.

21112102002023 is a deficient number, since it is larger than the sum of its proper divisors (1).

21112102002023 is an equidigital number, since it uses as much as digits as its factorization.

21112102002023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 21112102002023 its reverse (32020020121112), we get a palindrome (53132122123135).

The spelling of 21112102002023 in words is "twenty-one trillion, one hundred twelve billion, one hundred two million, two thousand, twenty-three".