111441104421 has 8 divisors (see below), whose sum is σ = 148649472960. Its totient is φ = 74263402752.

The previous prime is 111441104399. The next prime is 111441104431. The reversal of 111441104421 is 124401144111.

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

It is not a de Polignac number, because 111441104421 - 2⁷ = 111441104293 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 111441104391 and 111441104400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111441104431) 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, 7658236 + ... + 7672773.

It is an arithmetic number, because the mean of its divisors is an integer number (18581184120).

Almost surely, 2^111441104421 is an apocalyptic number.

It is an amenable number.

111441104421 is a deficient number, since it is larger than the sum of its proper divisors (37208368539).

111441104421 is a wasteful number, since it uses less digits than its factorization.

111441104421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15333435.

The product of its (nonzero) digits is 512, while the sum is 24.

Adding to 111441104421 its reverse (124401144111), we get a palindrome (235842248532).

The spelling of 111441104421 in words is "one hundred eleven billion, four hundred forty-one million, one hundred four thousand, four hundred twenty-one".