111231202101023 has 8 divisors (see below), whose sum is σ = 112102929077088. Its totient is φ = 110360342087424.

The previous prime is 111231202101017. The next prime is 111231202101133. The reversal of 111231202101023 is 320101202132111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 111231202101023 - 2⁴ = 111231202101007 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 111231202100986 and 111231202101004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111231202101623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 216483011 + ... + 216996212.

It is an arithmetic number, because the mean of its divisors is an integer number (14012866134636).

Almost surely, 2^{111231202101023} is an apocalyptic number.

111231202101023 is a deficient number, since it is larger than the sum of its proper divisors (871726976065).

111231202101023 is a wasteful number, since it uses less digits than its factorization.

111231202101023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 433481233.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 111231202101023 its reverse (320101202132111), we get a palindrome (431332404233134).

The spelling of 111231202101023 in words is "one hundred eleven trillion, two hundred thirty-one billion, two hundred two million, one hundred one thousand, twenty-three".