221112210022 has 32 divisors (see below), whose sum is σ = 380976048000. Its totient is φ = 95187556800.

The previous prime is 221112210019. The next prime is 221112210061. The reversal of 221112210022 is 220012211122.

It is a happy number.

221112210022 is digitally balanced in base 2, 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 = 221112209978 and 221112210005.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1364997 + ... + 1518367.

It is an arithmetic number, because the mean of its divisors is an integer number (11905501500).

Almost surely, 2^221112210022 is an apocalyptic number.

221112210022 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

221112210022 is a deficient number, since it is larger than the sum of its proper divisors (159863837978).

221112210022 is a wasteful number, since it uses less digits than its factorization.

221112210022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156852.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 221112210022 its reverse (220012211122), we get a palindrome (441124421144).

It can be divided in two parts, 221112 and 210022, that added together give a palindrome (431134).

The spelling of 221112210022 in words is "two hundred twenty-one billion, one hundred twelve million, two hundred ten thousand, twenty-two".