4021232213043 has 16 divisors (see below), whose sum is σ = 5957593804800. Its totient is φ = 2680725738600.

The previous prime is 4021232213003. The next prime is 4021232213077. The reversal of 4021232213043 is 3403122321204.

4021232213043 is a `hidden beast` number, since 402 + 1 + 2 + 3 + 2 + 213 + 0 + 43 = 666.

It is not a de Polignac number, because 4021232213043 - 2¹⁴ = 4021232196659 is a prime.

It is a super-2 number, since 2×4021232213043² (a number of 26 digits) contains 22 as substring.

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

It is a junction number, because it is equal to n+sod(n) for n = 4021232212998 and 4021232213016.

It is not an unprimeable number, because it can be changed into a prime (4021232213003) 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, 1885203 + ... + 3405356.

It is an arithmetic number, because the mean of its divisors is an integer number (372349612800).

Almost surely, 2^{4021232213043} is an apocalyptic number.

4021232213043 is a deficient number, since it is larger than the sum of its proper divisors (1936361591757).

4021232213043 is a wasteful number, since it uses less digits than its factorization.

4021232213043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5318719 (or 5318713 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 4021232213043 its reverse (3403122321204), we get a palindrome (7424354534247).

The spelling of 4021232213043 in words is "four trillion, twenty-one billion, two hundred thirty-two million, two hundred thirteen thousand, forty-three".