4020142212021 has 16 divisors (see below), whose sum is σ = 6023490673536. Its totient is φ = 2366371334976.

The previous prime is 4020142212011. The next prime is 4020142212041. The reversal of 4020142212021 is 1202122410204.

4020142212021 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 4020142212021 - 2⁹ = 4020142211509 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4020142212001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2240881050 + ... + 2240882843.

It is an arithmetic number, because the mean of its divisors is an integer number (376468167096).

Almost surely, 2^{4020142212021} is an apocalyptic number.

It is an amenable number.

4020142212021 is a deficient number, since it is larger than the sum of its proper divisors (2003348461515).

4020142212021 is a wasteful number, since it uses less digits than its factorization.

4020142212021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4481763932.

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 4020142212021 its reverse (1202122410204), we get a palindrome (5222264622225).

The spelling of 4020142212021 in words is "four trillion, twenty billion, one hundred forty-two million, two hundred twelve thousand, twenty-one".