111421510041 has 8 divisors (see below), whose sum is σ = 157300955424. Its totient is φ = 69911535680.

The previous prime is 111421510037. The next prime is 111421510049. The reversal of 111421510041 is 140015124111.

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 111421510041 - 2² = 111421510037 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (111421510049) 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, 1092367695 + ... + 1092367796.

It is an arithmetic number, because the mean of its divisors is an integer number (19662619428).

Almost surely, 2^111421510041 is an apocalyptic number.

It is an amenable number.

111421510041 is a deficient number, since it is larger than the sum of its proper divisors (45879445383).

111421510041 is a wasteful number, since it uses less digits than its factorization.

111421510041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2184735511.

The product of its (nonzero) digits is 160, while the sum is 21.

Adding to 111421510041 its reverse (140015124111), we get a palindrome (251436634152).

The spelling of 111421510041 in words is "one hundred eleven billion, four hundred twenty-one million, five hundred ten thousand, forty-one".