1002011222222 has 8 divisors (see below), whose sum is σ = 1568365391376. Its totient is φ = 479222758432.

The previous prime is 1002011222213. The next prime is 1002011222227. The reversal of 1002011222222 is 2222221102001.

It is a happy number.

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 1002011222222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1002011222227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10891426283 + ... + 10891426374.

It is an arithmetic number, because the mean of its divisors is an integer number (196045673922).

Almost surely, 2^{1002011222222} is an apocalyptic number.

1002011222222 is a deficient number, since it is larger than the sum of its proper divisors (566354169154).

1002011222222 is a wasteful number, since it uses less digits than its factorization.

1002011222222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21782852682.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 1002011222222 its reverse (2222221102001), we get a palindrome (3224232324223).

The spelling of 1002011222222 in words is "one trillion, two billion, eleven million, two hundred twenty-two thousand, two hundred twenty-two".