2011021200001 has 16 divisors (see below), whose sum is σ = 2257427547648. Its totient is φ = 1775612476800.

The previous prime is 2011021199959. The next prime is 2011021200011. The reversal of 2011021200001 is 1000021201102.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2011021200001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2011021200011) 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 15 ways as a sum of consecutive naturals, for example, 9897246 + ... + 10098391.

It is an arithmetic number, because the mean of its divisors is an integer number (141089221728).

Almost surely, 2^{2011021200001} is an apocalyptic number.

It is an amenable number.

2011021200001 is a deficient number, since it is larger than the sum of its proper divisors (246406347647).

2011021200001 is a wasteful number, since it uses less digits than its factorization.

2011021200001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19995912.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 2011021200001 its reverse (1000021201102), we get a palindrome (3011042401103).

The spelling of 2011021200001 in words is "two trillion, eleven billion, twenty-one million, two hundred thousand, one".