4021201010142 has 64 divisors (see below), whose sum is σ = 9244798848000. Its totient is φ = 1294087433184.

The previous prime is 4021201010137. The next prime is 4021201010143. The reversal of 4021201010142 is 2410101021204.

4021201010142 is a `hidden beast` number, since 402 + 1 + 20 + 101 + 0 + 142 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4021201010143) 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, 23905743 + ... + 24073365.

It is an arithmetic number, because the mean of its divisors is an integer number (144449982000).

Almost surely, 2^{4021201010142} is an apocalyptic number.

4021201010142 is an abundant number, since it is smaller than the sum of its proper divisors (5223597837858).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4021201010142 is a wasteful number, since it uses less digits than its factorization.

4021201010142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182982 (or 182976 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 4021201010142 its reverse (2410101021204), we get a palindrome (6431302031346).

The spelling of 4021201010142 in words is "four trillion, twenty-one billion, two hundred one million, ten thousand, one hundred forty-two".