2111210242439 has 2 divisors, whose sum is σ = 2111210242440. Its totient is φ = 2111210242438.

The previous prime is 2111210242409. The next prime is 2111210242487. The reversal of 2111210242439 is 9342420121112.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2111210242439 - 2³⁶ = 2042490765703 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2111210242409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1055605121219 + 1055605121220.

It is an arithmetic number, because the mean of its divisors is an integer number (1055605121220).

Almost surely, 2^{2111210242439} is an apocalyptic number.

2111210242439 is a deficient number, since it is larger than the sum of its proper divisors (1).

2111210242439 is an equidigital number, since it uses as much as digits as its factorization.

2111210242439 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6912, while the sum is 32.

The spelling of 2111210242439 in words is "two trillion, one hundred eleven billion, two hundred ten million, two hundred forty-two thousand, four hundred thirty-nine".