1001002112211 has 32 divisors (see below), whose sum is σ = 1364300402688. Its totient is φ = 652666845600.

The previous prime is 1001002112197. The next prime is 1001002112237. The reversal of 1001002112211 is 1122112001001.

It is not a de Polignac number, because 1001002112211 - 2¹⁹ = 1001001587923 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1001002112711) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 63334636 + ... + 63350438.

It is an arithmetic number, because the mean of its divisors is an integer number (42634387584).

Almost surely, 2^{1001002112211} is an apocalyptic number.

1001002112211 is a deficient number, since it is larger than the sum of its proper divisors (363298290477).

1001002112211 is a wasteful number, since it uses less digits than its factorization.

1001002112211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18111.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 1001002112211 its reverse (1122112001001), we get a palindrome (2123114113212).

The spelling of 1001002112211 in words is "one trillion, one billion, two million, one hundred twelve thousand, two hundred eleven".