212222110102 has 16 divisors (see below), whose sum is σ = 318880679040. Its totient is φ = 105928699968.

The previous prime is 212222110081. The next prime is 212222110109. The reversal of 212222110102 is 201011222212.

It is a happy number.

212222110102 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×212222110102² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212222110109) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 2900424 + ... + 2972692.

It is an arithmetic number, because the mean of its divisors is an integer number (19930042440).

Almost surely, 2^212222110102 is an apocalyptic number.

212222110102 is a deficient number, since it is larger than the sum of its proper divisors (106658568938).

212222110102 is a wasteful number, since it uses less digits than its factorization.

212222110102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74775.

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

Adding to 212222110102 its reverse (201011222212), we get a palindrome (413233332314).

It can be divided in two parts, 212222110 and 102, that added together give a palindrome (212222212).

The spelling of 212222110102 in words is "two hundred twelve billion, two hundred twenty-two million, one hundred ten thousand, one hundred two".