202220111102221 has 16 divisors (see below), whose sum is σ = 210317546716288. Its totient is φ = 194277053275200.

The previous prime is 202220111102197. The next prime is 202220111102227. The reversal of 202220111102221 is 122201111022202.

202220111102221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 202220111102221 - 2²¹ = 202220109005069 is a prime.

It is a super-2 number, since 2×202220111102221² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202220111102227) 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, 249990400 + ... + 250798006.

It is an arithmetic number, because the mean of its divisors is an integer number (13144846669768).

Almost surely, 2^{202220111102221} is an apocalyptic number.

It is an amenable number.

202220111102221 is a deficient number, since it is larger than the sum of its proper divisors (8097435614067).

202220111102221 is an equidigital number, since it uses as much as digits as its factorization.

202220111102221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 903172.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 202220111102221 its reverse (122201111022202), we get a palindrome (324421222124423).

The spelling of 202220111102221 in words is "two hundred two trillion, two hundred twenty billion, one hundred eleven million, one hundred two thousand, two hundred twenty-one".