111121403342023 has 2 divisors, whose sum is σ = 111121403342024. Its totient is φ = 111121403342022.

The previous prime is 111121403342011. The next prime is 111121403342083. The reversal of 111121403342023 is 320243304121111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 111121403342023 - 2³⁷ = 110983964388551 is a prime.

It is a super-3 number, since 3×111121403342023³ (a number of 43 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 111121403341982 and 111121403342000.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111121403342083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55560701671011 + 55560701671012.

It is an arithmetic number, because the mean of its divisors is an integer number (55560701671012).

Almost surely, 2^{111121403342023} is an apocalyptic number.

111121403342023 is a deficient number, since it is larger than the sum of its proper divisors (1).

111121403342023 is an equidigital number, since it uses as much as digits as its factorization.

111121403342023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 28.

Adding to 111121403342023 its reverse (320243304121111), we get a palindrome (431364707463134).

The spelling of 111121403342023 in words is "one hundred eleven trillion, one hundred twenty-one billion, four hundred three million, three hundred forty-two thousand, twenty-three".