2001141142 has 64 divisors (see below), whose sum is σ = 4242470400. Its totient is φ = 681799680.

The previous prime is 2001141139. The next prime is 2001141187. The reversal of 2001141142 is 2411411002.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11734 + ... + 64342.

It is an arithmetic number, because the mean of its divisors is an integer number (66288600).

Almost surely, 2^2001141142 is an apocalyptic number.

2001141142 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2001141142 is an abundant number, since it is smaller than the sum of its proper divisors (2241329258).

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

2001141142 is a wasteful number, since it uses less digits than its factorization.

2001141142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52661.

The product of its (nonzero) digits is 64, while the sum is 16.

The square root of 2001141142 is about 44734.1160860478. The cubic root of 2001141142 is about 1260.1606291394.

Adding to 2001141142 its reverse (2411411002), we get a palindrome (4412552144).

The spelling of 2001141142 in words is "two billion, one million, one hundred forty-one thousand, one hundred forty-two".