43100132021 has 16 divisors (see below), whose sum is σ = 45993363840. Its totient is φ = 40310625600.

The previous prime is 43100131999. The next prime is 43100132039. The reversal of 43100132021 is 12023100134.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-43100132021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43100138021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 155096 + ... + 332046.

It is an arithmetic number, because the mean of its divisors is an integer number (2874585240).

Almost surely, 2^43100132021 is an apocalyptic number.

It is an amenable number.

43100132021 is a deficient number, since it is larger than the sum of its proper divisors (2893231819).

43100132021 is a wasteful number, since it uses less digits than its factorization.

43100132021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177244.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 43100132021 its reverse (12023100134), we get a palindrome (55123232155).

The spelling of 43100132021 in words is "forty-three billion, one hundred million, one hundred thirty-two thousand, twenty-one".