2221102120222 has 32 divisors (see below), whose sum is σ = 3433204038240. Its totient is φ = 1077318354112.

The previous prime is 2221102120219. The next prime is 2221102120243. The reversal of 2221102120222 is 2220212011222.

It is a self number, because there is not a number n which added to its sum of digits gives 2221102120222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 74711853 + ... + 74741575.

It is an arithmetic number, because the mean of its divisors is an integer number (107287626195).

Almost surely, 2^{2221102120222} is an apocalyptic number.

2221102120222 is a deficient number, since it is larger than the sum of its proper divisors (1212101918018).

2221102120222 is an frugal number, since it uses more digits than its factorization.

2221102120222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30045 (or 29867 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 2221102120222 its reverse (2220212011222), we get a palindrome (4441314131444).

The spelling of 2221102120222 in words is "two trillion, two hundred twenty-one billion, one hundred two million, one hundred twenty thousand, two hundred twenty-two".