11221001221022 has 4 divisors (see below), whose sum is σ = 16831501831536. Its totient is φ = 5610500610510.

The previous prime is 11221001220983. The next prime is 11221001221093. The reversal of 11221001221022 is 22012210012211.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2805250305254 + ... + 2805250305257.

It is an arithmetic number, because the mean of its divisors is an integer number (4207875457884).

Almost surely, 2^{11221001221022} is an apocalyptic number.

11221001221022 is a deficient number, since it is larger than the sum of its proper divisors (5610500610514).

11221001221022 is an equidigital number, since it uses as much as digits as its factorization.

11221001221022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5610500610513.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 11221001221022 its reverse (22012210012211), we get a palindrome (33233211233233).

The spelling of 11221001221022 in words is "eleven trillion, two hundred twenty-one billion, one million, two hundred twenty-one thousand, twenty-two".