1000201211211 has 4 divisors (see below), whose sum is σ = 1333601614952. Its totient is φ = 666800807472.

The previous prime is 1000201211201. The next prime is 1000201211227. The reversal of 1000201211211 is 1121121020001.

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

It is not a de Polignac number, because 1000201211211 - 2¹⁸ = 1000200949067 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1000201211201) 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 3 ways as a sum of consecutive naturals, for example, 166700201866 + ... + 166700201871.

It is an arithmetic number, because the mean of its divisors is an integer number (333400403738).

Almost surely, 2^{1000201211211} is an apocalyptic number.

1000201211211 is a deficient number, since it is larger than the sum of its proper divisors (333400403741).

1000201211211 is an equidigital number, since it uses as much as digits as its factorization.

1000201211211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 333400403740.

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

Adding to 1000201211211 its reverse (1121121020001), we get a palindrome (2121322231212).

The spelling of 1000201211211 in words is "one trillion, two hundred one million, two hundred eleven thousand, two hundred eleven".