43114021221 has 16 divisors (see below), whose sum is σ = 57640968000. Its totient is φ = 28664937600.

The previous prime is 43114021193. The next prime is 43114021253. The reversal of 43114021221 is 12212041134.

It is not a de Polignac number, because 43114021221 - 2¹⁰ = 43114020197 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43114021261) 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, 3647521 + ... + 3659321.

It is an arithmetic number, because the mean of its divisors is an integer number (3602560500).

Almost surely, 2^43114021221 is an apocalyptic number.

It is an amenable number.

43114021221 is a deficient number, since it is larger than the sum of its proper divisors (14526946779).

43114021221 is a wasteful number, since it uses less digits than its factorization.

43114021221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14996.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 43114021221 its reverse (12212041134), we get a palindrome (55326062355).

The spelling of 43114021221 in words is "forty-three billion, one hundred fourteen million, twenty-one thousand, two hundred twenty-one".