20112030111223 has 2 divisors, whose sum is σ = 20112030111224. Its totient is φ = 20112030111222.

The previous prime is 20112030111221. The next prime is 20112030111227. The reversal of 20112030111223 is 32211103021102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20112030111223 - 2¹ = 20112030111221 is a prime.

Together with 20112030111221, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 20112030111223.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20112030111221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10056015055611 + 10056015055612.

It is an arithmetic number, because the mean of its divisors is an integer number (10056015055612).

Almost surely, 2^{20112030111223} is an apocalyptic number.

20112030111223 is a deficient number, since it is larger than the sum of its proper divisors (1).

20112030111223 is an equidigital number, since it uses as much as digits as its factorization.

20112030111223 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 20112030111223 its reverse (32211103021102), we get a palindrome (52323133132325).

The spelling of 20112030111223 in words is "twenty trillion, one hundred twelve billion, thirty million, one hundred eleven thousand, two hundred twenty-three".