2100111969343 has 2 divisors, whose sum is σ = 2100111969344. Its totient is φ = 2100111969342.

The previous prime is 2100111969289. The next prime is 2100111969353. The reversal of 2100111969343 is 3439691110012.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2100111969343 - 2¹³ = 2100111961151 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2100111969296 and 2100111969305.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2100111969353) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1050055984671 + 1050055984672.

It is an arithmetic number, because the mean of its divisors is an integer number (1050055984672).

Almost surely, 2^{2100111969343} is an apocalyptic number.

2100111969343 is a deficient number, since it is larger than the sum of its proper divisors (1).

2100111969343 is an equidigital number, since it uses as much as digits as its factorization.

2100111969343 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34992, while the sum is 40.

The spelling of 2100111969343 in words is "two trillion, one hundred billion, one hundred eleven million, nine hundred sixty-nine thousand, three hundred forty-three".