1021111102222 has 8 divisors (see below), whose sum is σ = 1537768911672. Its totient is φ = 508521465000.

The previous prime is 1021111102189. The next prime is 1021111102373. The reversal of 1021111102222 is 2222011111201.

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

It is a junction number, because it is equal to n+sod(n) for n = 1021111102196 and 1021111102205.

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, 1017042429 + ... + 1017043432.

It is an arithmetic number, because the mean of its divisors is an integer number (192221113959).

Almost surely, 2^{1021111102222} is an apocalyptic number.

1021111102222 is a deficient number, since it is larger than the sum of its proper divisors (516657809450).

1021111102222 is a wasteful number, since it uses less digits than its factorization.

1021111102222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2034086114.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 1021111102222 its reverse (2222011111201), we get a palindrome (3243122213423).

The spelling of 1021111102222 in words is "one trillion, twenty-one billion, one hundred eleven million, one hundred two thousand, two hundred twenty-two".