10142021142 has 48 divisors (see below), whose sum is σ = 23988744000. Its totient is φ = 3071199600.

The previous prime is 10142021107. The next prime is 10142021167. The reversal of 10142021142 is 24112024101.

10142021142 is a `hidden beast` number, since 101 + 420 + 2 + 1 + 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 an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 279717 + ... + 313887.

It is an arithmetic number, because the mean of its divisors is an integer number (499765500).

Almost surely, 2^10142021142 is an apocalyptic number.

10142021142 is an abundant number, since it is smaller than the sum of its proper divisors (13846722858).

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

10142021142 is a wasteful number, since it uses less digits than its factorization.

10142021142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35689 (or 35686 counting only the distinct ones).

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

Adding to 10142021142 its reverse (24112024101), we get a palindrome (34254045243).

The spelling of 10142021142 in words is "ten billion, one hundred forty-two million, twenty-one thousand, one hundred forty-two".