2001011002 has 8 divisors (see below), whose sum is σ = 3098339712. Its totient is φ = 968231100.

The previous prime is 2001010981. The next prime is 2001011003. The reversal of 2001011002 is 2001101002.

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

It is not an unprimeable number, because it can be changed into a prime (2001011003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16137124 + ... + 16137247.

It is an arithmetic number, because the mean of its divisors is an integer number (387292464).

Almost surely, 2^2001011002 is an apocalyptic number.

2001011002 is a deficient number, since it is larger than the sum of its proper divisors (1097328710).

2001011002 is a wasteful number, since it uses less digits than its factorization.

2001011002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32274404.

The product of its (nonzero) digits is 4, while the sum is 7.

The square root of 2001011002 is about 44732.6614678805. The cubic root of 2001011002 is about 1260.1333112497.

Adding to 2001011002 its reverse (2001101002), we get a palindrome (4002112004).

Subtracting 2001011002 from its reverse (2001101002), we obtain a square (90000 = 300²).

The spelling of 2001011002 in words is "two billion, one million, eleven thousand, two".