4211434121 has 4 divisors (see below), whose sum is σ = 4212714000. Its totient is φ = 4210154244.

The previous prime is 4211434109. The next prime is 4211434133. The reversal of 4211434121 is 1214341124.

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 an interprime number because it is at equal distance from previous prime (4211434109) and next prime (4211434133).

It is a cyclic number.

It is not a de Polignac number, because 4211434121 - 2³⁰ = 3137692297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4211434181) 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, 634991 + ... + 641588.

It is an arithmetic number, because the mean of its divisors is an integer number (1053178500).

Almost surely, 2^4211434121 is an apocalyptic number.

It is an amenable number.

4211434121 is a deficient number, since it is larger than the sum of its proper divisors (1279879).

4211434121 is a wasteful number, since it uses less digits than its factorization.

4211434121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1279878.

The product of its digits is 768, while the sum is 23.

The square root of 4211434121 is about 64895.5631842424. The cubic root of 4211434121 is about 1614.8914573346.

Adding to 4211434121 its reverse (1214341124), we get a palindrome (5425775245).

The spelling of 4211434121 in words is "four billion, two hundred eleven million, four hundred thirty-four thousand, one hundred twenty-one".