43101120032421 has 64 divisors (see below), whose sum is σ = 63995112668160. Its totient is φ = 25581036349440.

The previous prime is 43101120032417. The next prime is 43101120032449. The reversal of 43101120032421 is 12423002110134.

It is not a de Polignac number, because 43101120032421 - 2² = 43101120032417 is a prime.

It is a super-2 number, since 2×43101120032421² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 43101120032391 and 43101120032400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43101120032461) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2847394165 + ... + 2847409301.

It is an arithmetic number, because the mean of its divisors is an integer number (999923635440).

Almost surely, 2^{43101120032421} is an apocalyptic number.

It is an amenable number.

43101120032421 is a deficient number, since it is larger than the sum of its proper divisors (20893992635739).

43101120032421 is a wasteful number, since it uses less digits than its factorization.

43101120032421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18146.

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 43101120032421 its reverse (12423002110134), we get a palindrome (55524122142555).

The spelling of 43101120032421 in words is "forty-three trillion, one hundred one billion, one hundred twenty million, thirty-two thousand, four hundred twenty-one".