4021141321 has 4 divisors (see below), whose sum is σ = 4060181632. Its totient is φ = 3982101012.

The previous prime is 4021141237. The next prime is 4021141331. The reversal of 4021141321 is 1231411204.

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 4021141321 - 2²³ = 4012752713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4021141331) 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, 19520001 + ... + 19520206.

It is an arithmetic number, because the mean of its divisors is an integer number (1015045408).

Almost surely, 2^4021141321 is an apocalyptic number.

It is an amenable number.

4021141321 is a deficient number, since it is larger than the sum of its proper divisors (39040311).

4021141321 is a wasteful number, since it uses less digits than its factorization.

4021141321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39040310.

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 4021141321 is about 63412.4697595039. The cubic root of 4021141321 is about 1590.1927855847.

Adding to 4021141321 its reverse (1231411204), we get a palindrome (5252552525).

The spelling of 4021141321 in words is "four billion, twenty-one million, one hundred forty-one thousand, three hundred twenty-one".