221102001102111 has 16 divisors (see below), whose sum is σ = 296336884872960. Its totient is φ = 146634260451840.

The previous prime is 221102001102089. The next prime is 221102001102131. The reversal of 221102001102111 is 111201100201122.

It is a happy number.

221102001102111 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 221102001102111 - 2⁵ = 221102001102079 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221102001102131) 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, 21257806 + ... + 29901476.

It is an arithmetic number, because the mean of its divisors is an integer number (18521055304560).

Almost surely, 2^{221102001102111} is an apocalyptic number.

221102001102111 is a deficient number, since it is larger than the sum of its proper divisors (75234883770849).

221102001102111 is a wasteful number, since it uses less digits than its factorization.

221102001102111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8688046.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 221102001102111 its reverse (111201100201122), we get a palindrome (332303101303233).

The spelling of 221102001102111 in words is "two hundred twenty-one trillion, one hundred two billion, one million, one hundred two thousand, one hundred eleven".