1001200011211 has 2 divisors, whose sum is σ = 1001200011212. Its totient is φ = 1001200011210.

The previous prime is 1001200011209. The next prime is 1001200011247. The reversal of 1001200011211 is 1121100021001.

It is a weak prime.

It is an emirp because it is prime and its reverse (1121100021001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1001200011211 - 2¹ = 1001200011209 is a prime.

Together with 1001200011209, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1001200071211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500600005605 + 500600005606.

It is an arithmetic number, because the mean of its divisors is an integer number (500600005606).

Almost surely, 2^{1001200011211} is an apocalyptic number.

1001200011211 is a deficient number, since it is larger than the sum of its proper divisors (1).

1001200011211 is an equidigital number, since it uses as much as digits as its factorization.

1001200011211 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 1001200011211 its reverse (1121100021001), we get a palindrome (2122300032212).

The spelling of 1001200011211 in words is "one trillion, one billion, two hundred million, eleven thousand, two hundred eleven".