111023330021231 has 2 divisors, whose sum is σ = 111023330021232. Its totient is φ = 111023330021230.

The previous prime is 111023330021159. The next prime is 111023330021299. The reversal of 111023330021231 is 132120033320111.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111023330021231 is a prime.

It is a super-2 number, since 2×111023330021231² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 111023330021197 and 111023330021206.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111023330921231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55511665010615 + 55511665010616.

It is an arithmetic number, because the mean of its divisors is an integer number (55511665010616).

Almost surely, 2^{111023330021231} is an apocalyptic number.

111023330021231 is a deficient number, since it is larger than the sum of its proper divisors (1).

111023330021231 is an equidigital number, since it uses as much as digits as its factorization.

111023330021231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 111023330021231 its reverse (132120033320111), we get a palindrome (243143363341342).

The spelling of 111023330021231 in words is "one hundred eleven trillion, twenty-three billion, three hundred thirty million, twenty-one thousand, two hundred thirty-one".