11121010030221 has 32 divisors (see below), whose sum is σ = 19043334912000. Its totient is φ = 5610982601664.

The previous prime is 11121010030189. The next prime is 11121010030243. The reversal of 11121010030221 is 12203001012111.

It is not a de Polignac number, because 11121010030221 - 2⁵ = 11121010030189 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11121010030221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11121010031221) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 885565471 + ... + 885578028.

It is an arithmetic number, because the mean of its divisors is an integer number (595104216000).

Almost surely, 2^{11121010030221} is an apocalyptic number.

It is an amenable number.

11121010030221 is a deficient number, since it is larger than the sum of its proper divisors (7922324881779).

11121010030221 is a wasteful number, since it uses less digits than its factorization.

11121010030221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1771143545.

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 11121010030221 its reverse (12203001012111), we get a palindrome (23324011042332).

The spelling of 11121010030221 in words is "eleven trillion, one hundred twenty-one billion, ten million, thirty thousand, two hundred twenty-one".