2011021102001 has 4 divisors (see below), whose sum is σ = 2098456802112. Its totient is φ = 1923585401892.

The previous prime is 2011021101979. The next prime is 2011021102003. The reversal of 2011021102001 is 1002011201102.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2011021102001 - 2⁶ = 2011021101937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2011021102003) 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, 43717850021 + ... + 43717850066.

It is an arithmetic number, because the mean of its divisors is an integer number (524614200528).

Almost surely, 2^{2011021102001} is an apocalyptic number.

It is an amenable number.

2011021102001 is a deficient number, since it is larger than the sum of its proper divisors (87435700111).

2011021102001 is an equidigital number, since it uses as much as digits as its factorization.

2011021102001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87435700110.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 2011021102001 its reverse (1002011201102), we get a palindrome (3013032303103).

The spelling of 2011021102001 in words is "two trillion, eleven billion, twenty-one million, one hundred two thousand, one".