1001200011 has 8 divisors (see below), whose sum is σ = 1525638144. Its totient is φ = 572114280.

The previous prime is 1001200009. The next prime is 1001200019. The reversal of 1001200011 is 1100021001.

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

It is not a de Polignac number, because 1001200011 - 2¹ = 1001200009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1001200019) 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, 23838075 + ... + 23838116.

It is an arithmetic number, because the mean of its divisors is an integer number (190704768).

Almost surely, 2^1001200011 is an apocalyptic number.

1001200011 is a deficient number, since it is larger than the sum of its proper divisors (524438133).

1001200011 is an equidigital number, since it uses as much as digits as its factorization.

1001200011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47676201.

The product of its (nonzero) digits is 2, while the sum is 6.

The square root of 1001200011 is about 31641.7447527787. The cubic root of 1001200011 is about 1000.3998437703.

Adding to 1001200011 its reverse (1100021001), we get a palindrome (2101221012).

The spelling of 1001200011 in words is "one billion, one million, two hundred thousand, eleven".