4021241421142 has 16 divisors (see below), whose sum is σ = 6654148218000. Its totient is φ = 1807299514240.

The previous prime is 4021241421101. The next prime is 4021241421209. The reversal of 4021241421142 is 2411241421204.

It is a self number, because there is not a number n which added to its sum of digits gives 4021241421142.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1026872767 + ... + 1026876682.

It is an arithmetic number, because the mean of its divisors is an integer number (415884263625).

Almost surely, 2^{4021241421142} is an apocalyptic number.

4021241421142 is a deficient number, since it is larger than the sum of its proper divisors (2632906796858).

4021241421142 is a wasteful number, since it uses less digits than its factorization.

4021241421142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2053749551.

The product of its (nonzero) digits is 4096, while the sum is 28.

Adding to 4021241421142 its reverse (2411241421204), we get a palindrome (6432482842346).

The spelling of 4021241421142 in words is "four trillion, twenty-one billion, two hundred forty-one million, four hundred twenty-one thousand, one hundred forty-two".