4121121400441 has 4 divisors (see below), whose sum is σ = 4338022526800. Its totient is φ = 3904220274084.

The previous prime is 4121121400433. The next prime is 4121121400447. The reversal of 4121121400441 is 1440041211214.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4121121400441 - 2³ = 4121121400433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4121121400447) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 108450563151 + ... + 108450563188.

It is an arithmetic number, because the mean of its divisors is an integer number (1084505631700).

Almost surely, 2^{4121121400441} is an apocalyptic number.

It is an amenable number.

4121121400441 is a deficient number, since it is larger than the sum of its proper divisors (216901126359).

4121121400441 is a wasteful number, since it uses less digits than its factorization.

4121121400441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216901126358.

The product of its (nonzero) digits is 1024, while the sum is 25.

Adding to 4121121400441 its reverse (1440041211214), we get a palindrome (5561162611655).

The spelling of 4121121400441 in words is "four trillion, one hundred twenty-one billion, one hundred twenty-one million, four hundred thousand, four hundred forty-one".