1021201112222 has 8 divisors (see below), whose sum is σ = 1581214625472. Its totient is φ = 494129570400.

The previous prime is 1021201112219. The next prime is 1021201112249. The reversal of 1021201112222 is 2222111021201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1021201112222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8235492779 + ... + 8235492902.

It is an arithmetic number, because the mean of its divisors is an integer number (197651828184).

Almost surely, 2^{1021201112222} is an apocalyptic number.

1021201112222 is a deficient number, since it is larger than the sum of its proper divisors (560013513250).

1021201112222 is a wasteful number, since it uses less digits than its factorization.

1021201112222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16470985714.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 1021201112222 its reverse (2222111021201), we get a palindrome (3243312133423).

The spelling of 1021201112222 in words is "one trillion, twenty-one billion, two hundred one million, one hundred twelve thousand, two hundred twenty-two".