2102320011211 has 4 divisors (see below), whose sum is σ = 2402651441392. Its totient is φ = 1801988581032.

The previous prime is 2102320011161. The next prime is 2102320011223. The reversal of 2102320011211 is 1121100232012.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2102320011211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2102320011241) 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, 150165715080 + ... + 150165715093.

It is an arithmetic number, because the mean of its divisors is an integer number (600662860348).

Almost surely, 2^{2102320011211} is an apocalyptic number.

2102320011211 is a deficient number, since it is larger than the sum of its proper divisors (300331430181).

2102320011211 is an equidigital number, since it uses as much as digits as its factorization.

2102320011211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 300331430180.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 2102320011211 its reverse (1121100232012), we get a palindrome (3223420243223).

The spelling of 2102320011211 in words is "two trillion, one hundred two billion, three hundred twenty million, eleven thousand, two hundred eleven".