1011221012222 has 8 divisors (see below), whose sum is σ = 1596664756200. Its totient is φ = 478999426824.

The previous prime is 1011221012171. The next prime is 1011221012227. The reversal of 1011221012222 is 2222101221101.

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 1011221012222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1011221012227) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13305539597 + ... + 13305539672.

It is an arithmetic number, because the mean of its divisors is an integer number (199583094525).

Almost surely, 2^{1011221012222} is an apocalyptic number.

1011221012222 is a deficient number, since it is larger than the sum of its proper divisors (585443743978).

1011221012222 is a wasteful number, since it uses less digits than its factorization.

1011221012222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26611079290.

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

Adding to 1011221012222 its reverse (2222101221101), we get a palindrome (3233322233323).

The spelling of 1011221012222 in words is "one trillion, eleven billion, two hundred twenty-one million, twelve thousand, two hundred twenty-two".