11202021222001 has 4 divisors (see below), whose sum is σ = 11222132571252. Its totient is φ = 11181909872752.

The previous prime is 11202021221983. The next prime is 11202021222053. The reversal of 11202021222001 is 10022212020211.

It is a happy number.

11202021222001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 797841968400 + 10404179253601 = 893220^2 + 3225551^2 .

It is a cyclic number.

It is not a de Polignac number, because 11202021222001 - 2¹⁹ = 11202020697713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11202021222071) 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, 10055673790 + ... + 10055674903.

It is an arithmetic number, because the mean of its divisors is an integer number (2805533142813).

Almost surely, 2^{11202021222001} is an apocalyptic number.

It is an amenable number.

11202021222001 is a deficient number, since it is larger than the sum of its proper divisors (20111349251).

11202021222001 is an equidigital number, since it uses as much as digits as its factorization.

11202021222001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20111349250.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 11202021222001 its reverse (10022212020211), we get a palindrome (21224233242212).

The spelling of 11202021222001 in words is "eleven trillion, two hundred two billion, twenty-one million, two hundred twenty-two thousand, one".