1002012222211 has 16 divisors (see below), whose sum is σ = 1345359068928. Its totient is φ = 720728071200.

The previous prime is 1002012222203. The next prime is 1002012222221. The reversal of 1002012222211 is 1122222102001.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1002012222211 - 2³ = 1002012222203 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1002012222221) 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 15 ways as a sum of consecutive naturals, for example, 500504605 + ... + 500506606.

It is an arithmetic number, because the mean of its divisors is an integer number (84084941808).

Almost surely, 2^{1002012222211} is an apocalyptic number.

1002012222211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1002012222211 is a deficient number, since it is larger than the sum of its proper divisors (343346846717).

1002012222211 is a wasteful number, since it uses less digits than its factorization.

1002012222211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1001011242.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 1002012222211 its reverse (1122222102001), we get a palindrome (2124234324212).

The spelling of 1002012222211 in words is "one trillion, two billion, twelve million, two hundred twenty-two thousand, two hundred eleven".