111121410401 has 8 divisors (see below), whose sum is σ = 117832802184. Its totient is φ = 104429445120.

The previous prime is 111121410391. The next prime is 111121410419. The reversal of 111121410401 is 104014121111.

It can be written as a sum of positive squares in 4 ways, for example, as 13729980625 + 97391429776 = 117175^2 + 312076^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111121410401 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 111121410401.

It is not an unprimeable number, because it can be changed into a prime (111121410481) 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, 4844840 + ... + 4867721.

It is an arithmetic number, because the mean of its divisors is an integer number (14729100273).

Almost surely, 2^111121410401 is an apocalyptic number.

It is an amenable number.

111121410401 is a deficient number, since it is larger than the sum of its proper divisors (6711391783).

111121410401 is an equidigital number, since it uses as much as digits as its factorization.

111121410401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9713251.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 111121410401 its reverse (104014121111), we get a palindrome (215135531512).

The spelling of 111121410401 in words is "one hundred eleven billion, one hundred twenty-one million, four hundred ten thousand, four hundred one".