2102201323111 has 2 divisors, whose sum is σ = 2102201323112. Its totient is φ = 2102201323110.

The previous prime is 2102201323097. The next prime is 2102201323129. The reversal of 2102201323111 is 1113231022012.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2102201323111 - 2²³ = 2102192934503 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2102201323181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1051100661555 + 1051100661556.

It is an arithmetic number, because the mean of its divisors is an integer number (1051100661556).

Almost surely, 2^{2102201323111} is an apocalyptic number.

2102201323111 is a deficient number, since it is larger than the sum of its proper divisors (1).

2102201323111 is an equidigital number, since it uses as much as digits as its factorization.

2102201323111 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 2102201323111 its reverse (1113231022012), we get a palindrome (3215432345123).

The spelling of 2102201323111 in words is "two trillion, one hundred two billion, two hundred one million, three hundred twenty-three thousand, one hundred eleven".