4141210021 has 4 divisors (see below), whose sum is σ = 4459764652. Its totient is φ = 3822655392.

The previous prime is 4141210019. The next prime is 4141210027. The reversal of 4141210021 is 1200121414.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2219352100 + 1921857921 = 47110^2 + 43839^2 .

It is a cyclic number.

It is not a de Polignac number, because 4141210021 - 2¹ = 4141210019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4141209977 and 4141210004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4141210027) 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, 159277296 + ... + 159277321.

It is an arithmetic number, because the mean of its divisors is an integer number (1114941163).

Almost surely, 2^4141210021 is an apocalyptic number.

It is an amenable number.

4141210021 is a deficient number, since it is larger than the sum of its proper divisors (318554631).

4141210021 is a wasteful number, since it uses less digits than its factorization.

4141210021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318554630.

The product of its (nonzero) digits is 64, while the sum is 16.

The square root of 4141210021 is about 64352.2340016258. The cubic root of 4141210021 is about 1605.8651948933.

Adding to 4141210021 its reverse (1200121414), we get a palindrome (5341331435).

The spelling of 4141210021 in words is "four billion, one hundred forty-one million, two hundred ten thousand, twenty-one".