11021201020001 has 32 divisors (see below), whose sum is σ = 12354558566400. Its totient is φ = 9770279650560.

The previous prime is 11021201019973. The next prime is 11021201020091. The reversal of 11021201020001 is 10002010212011.

It is a cyclic number.

It is not a de Polignac number, because 11021201020001 - 2²² = 11021196825697 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11021201020091) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 397246736 + ... + 397274478.

It is an arithmetic number, because the mean of its divisors is an integer number (386079955200).

Almost surely, 2^{11021201020001} is an apocalyptic number.

It is an amenable number.

11021201020001 is a deficient number, since it is larger than the sum of its proper divisors (1333357546399).

11021201020001 is a wasteful number, since it uses less digits than its factorization.

11021201020001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34829.

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

Adding to 11021201020001 its reverse (10002010212011), we get a palindrome (21023211232012).

It can be divided in two parts, 110212010 and 20001, that added together give a palindrome (110232011).

The spelling of 11021201020001 in words is "eleven trillion, twenty-one billion, two hundred one million, twenty thousand, one".