1021122202222 has 8 divisors (see below), whose sum is σ = 1538371877400. Its totient is φ = 508331576424.

The previous prime is 1021122202211. The next prime is 1021122202337. The reversal of 1021122202222 is 2222022211201.

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 1021122202222.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1114761772 + ... + 1114762687.

It is an arithmetic number, because the mean of its divisors is an integer number (192296484675).

Almost surely, 2^{1021122202222} is an apocalyptic number.

1021122202222 is a deficient number, since it is larger than the sum of its proper divisors (517249675178).

1021122202222 is a wasteful number, since it uses less digits than its factorization.

1021122202222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2229524690.

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

Adding to 1021122202222 its reverse (2222022211201), we get a palindrome (3243144413423).

The spelling of 1021122202222 in words is "one trillion, twenty-one billion, one hundred twenty-two million, two hundred two thousand, two hundred twenty-two".