11221033030221 has 32 divisors (see below), whose sum is σ = 17115688454400. Its totient is φ = 6405657486336.

The previous prime is 11221033030201. The next prime is 11221033030241. The reversal of 11221033030221 is 12203033012211.

It is an interprime number because it is at equal distance from previous prime (11221033030201) and next prime (11221033030241).

It is not a de Polignac number, because 11221033030221 - 2⁵ = 11221033030189 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11221033030201) 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, 96129925 + ... + 96246581.

It is an arithmetic number, because the mean of its divisors is an integer number (534865264200).

Almost surely, 2^{11221033030221} is an apocalyptic number.

It is an amenable number.

11221033030221 is a deficient number, since it is larger than the sum of its proper divisors (5894655424179).

11221033030221 is a wasteful number, since it uses less digits than its factorization.

11221033030221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121173.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 11221033030221 its reverse (12203033012211), we get a palindrome (23424066042432).

The spelling of 11221033030221 in words is "eleven trillion, two hundred twenty-one billion, thirty-three million, thirty thousand, two hundred twenty-one".