4021311220143 has 16 divisors (see below), whose sum is σ = 6168837926400. Its totient is φ = 2282470029216.

The previous prime is 4021311220123. The next prime is 4021311220151. The reversal of 4021311220143 is 3410221131204.

4021311220143 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 4021311220143 - 2²¹ = 4021309122991 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4021311220123) 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, 642584155 + ... + 642590412.

It is an arithmetic number, because the mean of its divisors is an integer number (385552370400).

Almost surely, 2^{4021311220143} is an apocalyptic number.

4021311220143 is a deficient number, since it is larger than the sum of its proper divisors (2147526706257).

4021311220143 is a wasteful number, since it uses less digits than its factorization.

4021311220143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1285174726.

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 4021311220143 its reverse (3410221131204), we get a palindrome (7431532351347).

The spelling of 4021311220143 in words is "four trillion, twenty-one billion, three hundred eleven million, two hundred twenty thousand, one hundred forty-three".