11202011222221 has 8 divisors (see below), whose sum is σ = 11347611539264. Its totient is φ = 11057119423200.

The previous prime is 11202011222219. The next prime is 11202011222261. The reversal of 11202011222221 is 12222211020211.

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 11202011222221 - 2¹ = 11202011222219 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11202011222261) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 177097680 + ... + 177160921.

It is an arithmetic number, because the mean of its divisors is an integer number (1418451442408).

Almost surely, 2^{11202011222221} is an apocalyptic number.

It is an amenable number.

11202011222221 is a deficient number, since it is larger than the sum of its proper divisors (145600317043).

11202011222221 is a wasteful number, since it uses less digits than its factorization.

11202011222221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 354259011.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 11202011222221 its reverse (12222211020211), we get a palindrome (23424222242432).

The spelling of 11202011222221 in words is "eleven trillion, two hundred two billion, eleven million, two hundred twenty-two thousand, two hundred twenty-one".