221110331222 has 16 divisors (see below), whose sum is σ = 361867465872. Its totient is φ = 100490651520.

The previous prime is 221110331219. The next prime is 221110331243. The reversal of 221110331222 is 222133011122.

221110331222 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 221110331194 and 221110331203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 540383 + ... + 856874.

It is an arithmetic number, because the mean of its divisors is an integer number (22616716617).

Almost surely, 2^221110331222 is an apocalyptic number.

221110331222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

221110331222 is a deficient number, since it is larger than the sum of its proper divisors (140757134650).

221110331222 is a wasteful number, since it uses less digits than its factorization.

221110331222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1404463.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 221110331222 its reverse (222133011122), we get a palindrome (443243342344).

The spelling of 221110331222 in words is "two hundred twenty-one billion, one hundred ten million, three hundred thirty-one thousand, two hundred twenty-two".