2111323323211 has 4 divisors (see below), whose sum is σ = 2222445603400. Its totient is φ = 2000201043024.

The previous prime is 2111323323209. The next prime is 2111323323229. The reversal of 2111323323211 is 1123233231112.

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 2111323323211 - 2¹ = 2111323323209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2111323323271) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55561140066 + ... + 55561140103.

It is an arithmetic number, because the mean of its divisors is an integer number (555611400850).

Almost surely, 2^{2111323323211} is an apocalyptic number.

2111323323211 is a deficient number, since it is larger than the sum of its proper divisors (111122280189).

2111323323211 is a wasteful number, since it uses less digits than its factorization.

2111323323211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111122280188.

The product of its digits is 1296, while the sum is 25.

Adding to 2111323323211 its reverse (1123233231112), we get a palindrome (3234556554323).

The spelling of 2111323323211 in words is "two trillion, one hundred eleven billion, three hundred twenty-three million, three hundred twenty-three thousand, two hundred eleven".