43161221102 has 8 divisors (see below), whose sum is σ = 64779195096. Its totient is φ = 21568156072.

The previous prime is 43161221063. The next prime is 43161221119. The reversal of 43161221102 is 20112216134.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6222908 + ... + 6229839.

It is an arithmetic number, because the mean of its divisors is an integer number (8097399387).

Almost surely, 2^43161221102 is an apocalyptic number.

43161221102 is a deficient number, since it is larger than the sum of its proper divisors (21617973994).

43161221102 is a wasteful number, since it uses less digits than its factorization.

43161221102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12454482.

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 43161221102 its reverse (20112216134), we get a palindrome (63273437236).

The spelling of 43161221102 in words is "forty-three billion, one hundred sixty-one million, two hundred twenty-one thousand, one hundred two".