211920899126039 has 2 divisors, whose sum is σ = 211920899126040. Its totient is φ = 211920899126038.

The previous prime is 211920899126029. The next prime is 211920899126051. The reversal of 211920899126039 is 930621998029112.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 211920899126039 - 2²⁰ = 211920898077463 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (211920899126029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105960449563019 + 105960449563020.

It is an arithmetic number, because the mean of its divisors is an integer number (105960449563020).

Almost surely, 2^{211920899126039} is an apocalyptic number.

211920899126039 is a deficient number, since it is larger than the sum of its proper divisors (1).

211920899126039 is an equidigital number, since it uses as much as digits as its factorization.

211920899126039 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7558272, while the sum is 62.

The spelling of 211920899126039 in words is "two hundred eleven trillion, nine hundred twenty billion, eight hundred ninety-nine million, one hundred twenty-six thousand, thirty-nine".