1002112222011 has 8 divisors (see below), whose sum is σ = 1336457586240. Its totient is φ = 667920836232.

The previous prime is 1002112222009. The next prime is 1002112222021. The reversal of 1002112222011 is 1102222112001.

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

It is not a de Polignac number, because 1002112222011 - 2¹ = 1002112222009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1002112222021) 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 7 ways as a sum of consecutive naturals, for example, 38479425 + ... + 38505458.

It is an arithmetic number, because the mean of its divisors is an integer number (167057198280).

Almost surely, 2^{1002112222011} is an apocalyptic number.

1002112222011 is a deficient number, since it is larger than the sum of its proper divisors (334345364229).

1002112222011 is an equidigital number, since it uses as much as digits as its factorization.

1002112222011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76989225.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 1002112222011 its reverse (1102222112001), we get a palindrome (2104334334012).

The spelling of 1002112222011 in words is "one trillion, two billion, one hundred twelve million, two hundred twenty-two thousand, eleven".