11021101002001 has 8 divisors (see below), whose sum is σ = 11131609959144. Its totient is φ = 10910619283200.

The previous prime is 11021101001969. The next prime is 11021101002011. The reversal of 11021101002001 is 10020010112011.

It can be written as a sum of positive squares in 4 ways, for example, as 1940226126400 + 9080874875601 = 1392920^2 + 3013449^2 .

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 11021101002001 - 2⁵ = 11021101001969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11021101002011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5995810 + ... + 7615243.

It is an arithmetic number, because the mean of its divisors is an integer number (1391451244893).

Almost surely, 2^{11021101002001} is an apocalyptic number.

It is an amenable number.

11021101002001 is a deficient number, since it is larger than the sum of its proper divisors (110508957143).

11021101002001 is a wasteful number, since it uses less digits than its factorization.

11021101002001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13619171.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 11021101002001 its reverse (10020010112011), we get a palindrome (21041111114012).

The spelling of 11021101002001 in words is "eleven trillion, twenty-one billion, one hundred one million, two thousand, one".