1002212001211 has 4 divisors (see below), whose sum is σ = 1002237782112. Its totient is φ = 1002186220312.

The previous prime is 1002212001199. The next prime is 1002212001229. The reversal of 1002212001211 is 1121002122001.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1002212001211 - 2¹¹ = 1002211999163 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1002212001191 and 1002212001200.

It is not an unprimeable number, because it can be changed into a prime (1002212001611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12832051 + ... + 12909916.

It is an arithmetic number, because the mean of its divisors is an integer number (250559445528).

Almost surely, 2^{1002212001211} is an apocalyptic number.

1002212001211 is a deficient number, since it is larger than the sum of its proper divisors (25780901).

1002212001211 is an equidigital number, since it uses as much as digits as its factorization.

1002212001211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25780900.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 1002212001211 its reverse (1121002122001), we get a palindrome (2123214123212).

The spelling of 1002212001211 in words is "one trillion, two billion, two hundred twelve million, one thousand, two hundred eleven".