4231112011421 has 16 divisors (see below), whose sum is σ = 4253382282240. Its totient is φ = 4208913009840.

The previous prime is 4231112011349. The next prime is 4231112011429. The reversal of 4231112011421 is 1241102111324.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4231112011421 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 (4231112011429) 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, 304762346 + ... + 304776228.

It is an arithmetic number, because the mean of its divisors is an integer number (265836392640).

Almost surely, 2^{4231112011421} is an apocalyptic number.

It is an amenable number.

4231112011421 is a deficient number, since it is larger than the sum of its proper divisors (22270270819).

4231112011421 is a wasteful number, since it uses less digits than its factorization.

4231112011421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16336.

The product of its (nonzero) digits is 384, while the sum is 23.

Adding to 4231112011421 its reverse (1241102111324), we get a palindrome (5472214122745).

The spelling of 4231112011421 in words is "four trillion, two hundred thirty-one billion, one hundred twelve million, eleven thousand, four hundred twenty-one".