11202222012221 has 8 divisors (see below), whose sum is σ = 11914365383424. Its totient is φ = 10495988544960.

The previous prime is 11202222012197. The next prime is 11202222012271. The reversal of 11202222012221 is 12221022220211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11202222012221 - 2¹⁸ = 11202221750077 is a prime.

It is a super-2 number, since 2×11202222012221² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11202222012193 and 11202222012202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11202222012271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1477472075 + ... + 1477479656.

It is an arithmetic number, because the mean of its divisors is an integer number (1489295672928).

Almost surely, 2^{11202222012221} is an apocalyptic number.

It is an amenable number.

11202222012221 is a deficient number, since it is larger than the sum of its proper divisors (712143371203).

11202222012221 is a wasteful number, since it uses less digits than its factorization.

11202222012221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2954951971.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 11202222012221 its reverse (12221022220211), we get a palindrome (23423244232432).

The spelling of 11202222012221 in words is "eleven trillion, two hundred two billion, two hundred twenty-two million, twelve thousand, two hundred twenty-one".