4021143331311 has 10 divisors (see below), whose sum is σ = 6006893124672. Its totient is φ = 2680762220820.

The previous prime is 4021143331301. The next prime is 4021143331313. The reversal of 4021143331311 is 1131333411204.

4021143331311 is a `hidden beast` number, since 4 + 0 + 2 + 1 + 14 + 3 + 331 + 311 = 666.

It is not a de Polignac number, because 4021143331311 - 2¹⁹ = 4021142807023 is a prime.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4021143331313) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 24821872335 + ... + 24821872496.

Almost surely, 2^{4021143331311} is an apocalyptic number.

4021143331311 is a deficient number, since it is larger than the sum of its proper divisors (1985749793361).

4021143331311 is an equidigital number, since it uses as much as digits as its factorization.

4021143331311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49643744843 (or 49643744834 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

Adding to 4021143331311 its reverse (1131333411204), we get a palindrome (5152476742515).

The spelling of 4021143331311 in words is "four trillion, twenty-one billion, one hundred forty-three million, three hundred thirty-one thousand, three hundred eleven".