212220221102 has 16 divisors (see below), whose sum is σ = 321986050560. Its totient is φ = 104896442112.

The previous prime is 212220221077. The next prime is 212220221113. The reversal of 212220221102 is 201122022212.

It is a happy number.

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, 1139327 + ... + 1312442.

It is an arithmetic number, because the mean of its divisors is an integer number (20124128160).

Almost surely, 2^212220221102 is an apocalyptic number.

212220221102 is a deficient number, since it is larger than the sum of its proper divisors (109765829458).

212220221102 is a wasteful number, since it uses less digits than its factorization.

212220221102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2452267.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 212220221102 its reverse (201122022212), we get a palindrome (413342243314).

The spelling of 212220221102 in words is "two hundred twelve billion, two hundred twenty million, two hundred twenty-one thousand, one hundred two".