4411120251421 has 16 divisors (see below), whose sum is σ = 5022296339200. Its totient is φ = 3840652853568.

The previous prime is 4411120251413. The next prime is 4411120251427. The reversal of 4411120251421 is 1241520211144.

It is not a de Polignac number, because 4411120251421 - 2³ = 4411120251413 is a prime.

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 4411120251421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4411120251427) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38936421 + ... + 39049546.

It is an arithmetic number, because the mean of its divisors is an integer number (313893521200).

Almost surely, 2^{4411120251421} is an apocalyptic number.

It is an amenable number.

4411120251421 is a deficient number, since it is larger than the sum of its proper divisors (611176087779).

4411120251421 is a wasteful number, since it uses less digits than its factorization.

4411120251421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77986228.

The product of its (nonzero) digits is 2560, while the sum is 28.

Adding to 4411120251421 its reverse (1241520211144), we get a palindrome (5652640462565).

The spelling of 4411120251421 in words is "four trillion, four hundred eleven billion, one hundred twenty million, two hundred fifty-one thousand, four hundred twenty-one".