111123242201023 has 16 divisors (see below), whose sum is σ = 119700451561600. Its totient is φ = 102550217080320.

The previous prime is 111123242200979. The next prime is 111123242201051. The reversal of 111123242201023 is 320102242321111.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111123242201023 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111123242201423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 980480023 + ... + 980593351.

It is an arithmetic number, because the mean of its divisors is an integer number (7481278222600).

Almost surely, 2^{111123242201023} is an apocalyptic number.

111123242201023 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

111123242201023 is a deficient number, since it is larger than the sum of its proper divisors (8577209360577).

111123242201023 is a wasteful number, since it uses less digits than its factorization.

111123242201023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131122.

The product of its (nonzero) digits is 1152, while the sum is 25.

Adding to 111123242201023 its reverse (320102242321111), we get a palindrome (431225484522134).

The spelling of 111123242201023 in words is "one hundred eleven trillion, one hundred twenty-three billion, two hundred forty-two million, two hundred one thousand, twenty-three".