4021412321133 has 20 divisors (see below), whose sum is σ = 6360665242140. Its totient is φ = 2523239102592.

The previous prime is 4021412321039. The next prime is 4021412321161. The reversal of 4021412321133 is 3311232141204.

4021412321133 is a `hidden beast` number, since 4 + 0 + 2 + 1 + 412 + 3 + 211 + 33 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1703095470729 + 2318316850404 = 1305027^2 + 1522602^2 .

It is not a de Polignac number, because 4021412321133 - 2⁹ = 4021412320621 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 4021412321097 and 4021412321106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4021412326133) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1460206438 + ... + 1460209191.

It is an arithmetic number, because the mean of its divisors is an integer number (318033262107).

Almost surely, 2^{4021412321133} is an apocalyptic number.

It is an amenable number.

4021412321133 is a deficient number, since it is larger than the sum of its proper divisors (2339252921007).

4021412321133 is a wasteful number, since it uses less digits than its factorization.

4021412321133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2920415658 (or 2920415649 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

Adding to 4021412321133 its reverse (3311232141204), we get a palindrome (7332644462337).

The spelling of 4021412321133 in words is "four trillion, twenty-one billion, four hundred twelve million, three hundred twenty-one thousand, one hundred thirty-three".