1210002211222 has 24 divisors (see below), whose sum is σ = 2112543398160. Its totient is φ = 518274444240.

The previous prime is 1210002211219. The next prime is 1210002211277. The reversal of 1210002211222 is 2221122000121.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1210002211196 and 1210002211205.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3375322 + ... + 3716557.

It is an arithmetic number, because the mean of its divisors is an integer number (88022641590).

Almost surely, 2^{1210002211222} is an apocalyptic number.

1210002211222 is a deficient number, since it is larger than the sum of its proper divisors (902541186938).

1210002211222 is a wasteful number, since it uses less digits than its factorization.

1210002211222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7093636 (or 7093629 counting only the distinct ones).

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

Adding to 1210002211222 its reverse (2221122000121), we get a palindrome (3431124211343).

The spelling of 1210002211222 in words is "one trillion, two hundred ten billion, two million, two hundred eleven thousand, two hundred twenty-two".