4021221012141 has 32 divisors (see below), whose sum is σ = 5405594019840. Its totient is φ = 2658940099200.

The previous prime is 4021221012047. The next prime is 4021221012181. The reversal of 4021221012141 is 1412101221204.

4021221012141 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 4021221012141 - 2²⁵ = 4021187457709 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4021221012181) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 231641820 + ... + 231659178.

It is an arithmetic number, because the mean of its divisors is an integer number (168924813120).

Almost surely, 2^{4021221012141} is an apocalyptic number.

It is an amenable number.

4021221012141 is a deficient number, since it is larger than the sum of its proper divisors (1384373007699).

4021221012141 is a wasteful number, since it uses less digits than its factorization.

4021221012141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18897.

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 4021221012141 its reverse (1412101221204), we get a palindrome (5433322233345).

The spelling of 4021221012141 in words is "four trillion, twenty-one billion, two hundred twenty-one million, twelve thousand, one hundred forty-one".