1001021200211 has 2 divisors, whose sum is σ = 1001021200212. Its totient is φ = 1001021200210.

The previous prime is 1001021200189. The next prime is 1001021200253. The reversal of 1001021200211 is 1120021201001.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1001021200211 - 2¹⁸ = 1001020938067 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1001021200192 and 1001021200201.

It is not a weakly prime, because it can be changed into another prime (1001021202211) 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 as a sum of consecutive naturals, namely, 500510600105 + 500510600106.

It is an arithmetic number, because the mean of its divisors is an integer number (500510600106).

Almost surely, 2^{1001021200211} is an apocalyptic number.

1001021200211 is a deficient number, since it is larger than the sum of its proper divisors (1).

1001021200211 is an equidigital number, since it uses as much as digits as its factorization.

1001021200211 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 1001021200211 its reverse (1120021201001), we get a palindrome (2121042401212).

The spelling of 1001021200211 in words is "one trillion, one billion, twenty-one million, two hundred thousand, two hundred eleven".