4414121021 has 4 divisors (see below), whose sum is σ = 4646443200. Its totient is φ = 4181798844.

The previous prime is 4414120913. The next prime is 4414121051. The reversal of 4414121021 is 1201214144.

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 not a de Polignac number, because 4414121021 - 2²⁶ = 4347012157 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 4414120984 and 4414121002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4414121051) 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, 116161061 + ... + 116161098.

It is an arithmetic number, because the mean of its divisors is an integer number (1161610800).

Almost surely, 2^4414121021 is an apocalyptic number.

It is an amenable number.

4414121021 is a deficient number, since it is larger than the sum of its proper divisors (232322179).

4414121021 is a wasteful number, since it uses less digits than its factorization.

4414121021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232322178.

The product of its (nonzero) digits is 256, while the sum is 20.

The square root of 4414121021 is about 66438.8517435393. The cubic root of 4414121021 is about 1640.3936469544.

Adding to 4414121021 its reverse (1201214144), we get a palindrome (5615335165).

The spelling of 4414121021 in words is "four billion, four hundred fourteen million, one hundred twenty-one thousand, twenty-one".