4021331321042 has 8 divisors (see below), whose sum is σ = 6893710836096. Its totient is φ = 1723427709012.

The previous prime is 4021331321027. The next prime is 4021331321089. The reversal of 4021331321042 is 2401231331204.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×4021331321042² (a number of 26 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 143618975738 + ... + 143618975765.

It is an arithmetic number, because the mean of its divisors is an integer number (861713854512).

Almost surely, 2^{4021331321042} is an apocalyptic number.

4021331321042 is a deficient number, since it is larger than the sum of its proper divisors (2872379515054).

4021331321042 is a wasteful number, since it uses less digits than its factorization.

4021331321042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287237951512.

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 4021331321042 its reverse (2401231331204), we get a palindrome (6422562652246).

The spelling of 4021331321042 in words is "four trillion, twenty-one billion, three hundred thirty-one million, three hundred twenty-one thousand, forty-two".