2321212320111 has 32 divisors (see below), whose sum is σ = 3292188254208. Its totient is φ = 1449701061120.

The previous prime is 2321212320073. The next prime is 2321212320113. The reversal of 2321212320111 is 1110232121232.

It is not a de Polignac number, because 2321212320111 - 2⁷ = 2321212319983 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2321212320113) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 115778490 + ... + 115798536.

It is an arithmetic number, because the mean of its divisors is an integer number (102880882944).

Almost surely, 2^{2321212320111} is an apocalyptic number.

2321212320111 is a deficient number, since it is larger than the sum of its proper divisors (970975934097).

2321212320111 is a wasteful number, since it uses less digits than its factorization.

2321212320111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30471.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 2321212320111 its reverse (1110232121232), we get a palindrome (3431444441343).

The spelling of 2321212320111 in words is "two trillion, three hundred twenty-one billion, two hundred twelve million, three hundred twenty thousand, one hundred eleven".