11102536221 has 16 divisors (see below), whose sum is σ = 16919644800. Its totient is φ = 6343746048.

The previous prime is 11102536217. The next prime is 11102536253. The reversal of 11102536221 is 12263520111.

It is a happy number.

It is not a de Polignac number, because 11102536221 - 2² = 11102536217 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11102536191 and 11102536200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11102536271) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 391365 + ... + 418773.

It is an arithmetic number, because the mean of its divisors is an integer number (1057477800).

Almost surely, 2^11102536221 is an apocalyptic number.

It is an amenable number.

11102536221 is a deficient number, since it is larger than the sum of its proper divisors (5817108579).

11102536221 is a wasteful number, since it uses less digits than its factorization.

11102536221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46708.

The product of its (nonzero) digits is 720, while the sum is 24.

The spelling of 11102536221 in words is "eleven billion, one hundred two million, five hundred thirty-six thousand, two hundred twenty-one".