11102002221 has 8 divisors (see below), whose sum is σ = 14816521120. Its totient is φ = 7394409072.

The previous prime is 11102002217. The next prime is 11102002231. The reversal of 11102002221 is 12220020111.

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

It is not a de Polignac number, because 11102002221 - 2² = 11102002217 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11102002197 and 11102002206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11102002231) 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, 1727695 + ... + 1734108.

It is an arithmetic number, because the mean of its divisors is an integer number (1852065140).

Almost surely, 2^11102002221 is an apocalyptic number.

It is an amenable number.

11102002221 is a deficient number, since it is larger than the sum of its proper divisors (3714518899).

11102002221 is a wasteful number, since it uses less digits than its factorization.

11102002221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3462875.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 11102002221 its reverse (12220020111), we get a palindrome (23322022332).

The spelling of 11102002221 in words is "eleven billion, one hundred two million, two thousand, two hundred twenty-one".