2124919891711 has 2 divisors, whose sum is σ = 2124919891712. Its totient is φ = 2124919891710.

The previous prime is 2124919891697. The next prime is 2124919891727. The reversal of 2124919891711 is 1171989194212.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2124919891711 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2124919891751) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1062459945855 + 1062459945856.

It is an arithmetic number, because the mean of its divisors is an integer number (1062459945856).

Almost surely, 2^{2124919891711} is an apocalyptic number.

2124919891711 is a deficient number, since it is larger than the sum of its proper divisors (1).

2124919891711 is an equidigital number, since it uses as much as digits as its factorization.

2124919891711 is an evil number, because the sum of its binary digits is even.

The product of its digits is 653184, while the sum is 55.

The spelling of 2124919891711 in words is "two trillion, one hundred twenty-four billion, nine hundred nineteen million, eight hundred ninety-one thousand, seven hundred eleven".