11202202222221 has 8 divisors (see below), whose sum is σ = 15451313410080. Its totient is φ = 7210612924592.

The previous prime is 11202202222201. The next prime is 11202202222357. The reversal of 11202202222221 is 12222220220211.

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 11202202222221 - 2⁹ = 11202202221709 is a prime.

It is a super-2 number, since 2×11202202222221² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11202202222201) 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, 64380472455 + ... + 64380472628.

It is an arithmetic number, because the mean of its divisors is an integer number (1931414176260).

Almost surely, 2^{11202202222221} is an apocalyptic number.

It is an amenable number.

11202202222221 is a deficient number, since it is larger than the sum of its proper divisors (4249111187859).

11202202222221 is a wasteful number, since it uses less digits than its factorization.

11202202222221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128760945115.

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 11202202222221 its reverse (12222220220211), we get a palindrome (23424422442432).

The spelling of 11202202222221 in words is "eleven trillion, two hundred two billion, two hundred two million, two hundred twenty-two thousand, two hundred twenty-one".