111002230123 has 2 divisors, whose sum is σ = 111002230124. Its totient is φ = 111002230122.

The previous prime is 111002230117. The next prime is 111002230139. The reversal of 111002230123 is 321032200111.

It is an a-pointer prime, because the next prime (111002230139) can be obtained adding 111002230123 to its sum of digits (16).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 111002230123 - 2¹⁷ = 111002099051 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 111002230097 and 111002230106.

It is not a weakly prime, because it can be changed into another prime (111002230523) 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, 55501115061 + 55501115062.

It is an arithmetic number, because the mean of its divisors is an integer number (55501115062).

Almost surely, 2^111002230123 is an apocalyptic number.

111002230123 is a deficient number, since it is larger than the sum of its proper divisors (1).

111002230123 is an equidigital number, since it uses as much as digits as its factorization.

111002230123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 111002230123 its reverse (321032200111), we get a palindrome (432034430234).

The spelling of 111002230123 in words is "one hundred eleven billion, two million, two hundred thirty thousand, one hundred twenty-three".