11021020201001 has 4 divisors (see below), whose sum is σ = 11021149206912. Its totient is φ = 11020891195092.

The previous prime is 11021020200977. The next prime is 11021020201123. The reversal of 11021020201001 is 10010202012011.

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 11021020201001 - 2⁶ = 11021020200937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11021020201501) 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, 64374725 + ... + 64545698.

It is an arithmetic number, because the mean of its divisors is an integer number (2755287301728).

Almost surely, 2^{11021020201001} is an apocalyptic number.

It is an amenable number.

11021020201001 is a deficient number, since it is larger than the sum of its proper divisors (129005911).

11021020201001 is an equidigital number, since it uses as much as digits as its factorization.

11021020201001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129005910.

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

Adding to 11021020201001 its reverse (10010202012011), we get a palindrome (21031222213012).

The spelling of 11021020201001 in words is "eleven trillion, twenty-one billion, twenty million, two hundred one thousand, one".