111134023442021 has 8 divisors (see below), whose sum is σ = 112238682112800. Its totient is φ = 110030587418448.

The previous prime is 111134023442017. The next prime is 111134023442093. The reversal of 111134023442021 is 120244320431111.

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 111134023442021 - 2² = 111134023442017 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111134023442921) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 305479106 + ... + 305842691.

It is an arithmetic number, because the mean of its divisors is an integer number (14029835264100).

Almost surely, 2^{111134023442021} is an apocalyptic number.

It is an amenable number.

111134023442021 is a deficient number, since it is larger than the sum of its proper divisors (1104658670779).

111134023442021 is a wasteful number, since it uses less digits than its factorization.

111134023442021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 611323603.

The product of its (nonzero) digits is 4608, while the sum is 29.

Adding to 111134023442021 its reverse (120244320431111), we get a palindrome (231378343873132).

The spelling of 111134023442021 in words is "one hundred eleven trillion, one hundred thirty-four billion, twenty-three million, four hundred forty-two thousand, twenty-one".