2102321320111 has 2 divisors, whose sum is σ = 2102321320112. Its totient is φ = 2102321320110.

The previous prime is 2102321320097. The next prime is 2102321320129. The reversal of 2102321320111 is 1110231232012.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2102321320111 - 2⁵ = 2102321320079 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2102321320511) 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 as a sum of consecutive naturals, namely, 1051160660055 + 1051160660056.

It is an arithmetic number, because the mean of its divisors is an integer number (1051160660056).

Almost surely, 2^{2102321320111} is an apocalyptic number.

2102321320111 is a deficient number, since it is larger than the sum of its proper divisors (1).

2102321320111 is an equidigital number, since it uses as much as digits as its factorization.

2102321320111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 2102321320111 its reverse (1110231232012), we get a palindrome (3212552552123).

The spelling of 2102321320111 in words is "two trillion, one hundred two billion, three hundred twenty-one million, three hundred twenty thousand, one hundred eleven".