1002221212211 has 8 divisors (see below), whose sum is σ = 1005821826048. Its totient is φ = 998620840000.

The previous prime is 1002221212177. The next prime is 1002221212241. The reversal of 1002221212211 is 1122121222001.

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

It is a cyclic number.

It is not a de Polignac number, because 1002221212211 - 2¹⁴ = 1002221195827 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1002221212211.

It is not an unprimeable number, because it can be changed into a prime (1002221212241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14628686 + ... + 14697036.

It is an arithmetic number, because the mean of its divisors is an integer number (125727728256).

Almost surely, 2^{1002221212211} is an apocalyptic number.

1002221212211 is a deficient number, since it is larger than the sum of its proper divisors (3600613837).

1002221212211 is an equidigital number, since it uses as much as digits as its factorization.

1002221212211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120813.

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

Adding to 1002221212211 its reverse (1122121222001), we get a palindrome (2124342434212).

The spelling of 1002221212211 in words is "one trillion, two billion, two hundred twenty-one million, two hundred twelve thousand, two hundred eleven".