11202002221 has 8 divisors (see below), whose sum is σ = 11386135424. Its totient is φ = 11018367360.

The previous prime is 11202002191. The next prime is 11202002243. The reversal of 11202002221 is 12220020211.

It is a happy number.

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 11202002221 - 2⁷ = 11202002093 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 (11202032221) 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, 79125 + ... + 169306.

It is an arithmetic number, because the mean of its divisors is an integer number (1423266928).

Almost surely, 2^11202002221 is an apocalyptic number.

It is an amenable number.

11202002221 is a deficient number, since it is larger than the sum of its proper divisors (184133203).

11202002221 is an equidigital number, since it uses as much as digits as its factorization.

11202002221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249171.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 11202002221 its reverse (12220020211), we get a palindrome (23422022432).

The spelling of 11202002221 in words is "eleven billion, two hundred two million, two thousand, two hundred twenty-one".