211121210100959 has 2 divisors, whose sum is σ = 211121210100960. Its totient is φ = 211121210100958.

The previous prime is 211121210100943. The next prime is 211121210100971. The reversal of 211121210100959 is 959001012121112.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 211121210100959 - 2⁴ = 211121210100943 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (211121210100859) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105560605050479 + 105560605050480.

It is an arithmetic number, because the mean of its divisors is an integer number (105560605050480).

Almost surely, 2^{211121210100959} is an apocalyptic number.

211121210100959 is a deficient number, since it is larger than the sum of its proper divisors (1).

211121210100959 is an equidigital number, since it uses as much as digits as its factorization.

211121210100959 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3240, while the sum is 35.

The spelling of 211121210100959 in words is "two hundred eleven trillion, one hundred twenty-one billion, two hundred ten million, one hundred thousand, nine hundred fifty-nine".