2001142011 has 8 divisors (see below), whose sum is σ = 2910752064. Its totient is φ = 1212813320.

The previous prime is 2001142007. The next prime is 2001142021. The reversal of 2001142011 is 1102411002.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2001142011 - 2² = 2001142007 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2001142021) 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 7 ways as a sum of consecutive naturals, for example, 30320301 + ... + 30320366.

It is an arithmetic number, because the mean of its divisors is an integer number (363844008).

Almost surely, 2^2001142011 is an apocalyptic number.

2001142011 is a deficient number, since it is larger than the sum of its proper divisors (909610053).

2001142011 is a wasteful number, since it uses less digits than its factorization.

2001142011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60640681.

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 2001142011 is about 44734.1257989915. The cubic root of 2001142011 is about 1260.1608115486.

Adding to 2001142011 its reverse (1102411002), we get a palindrome (3103553013).

The spelling of 2001142011 in words is "two billion, one million, one hundred forty-two thousand, eleven".