211000210012057 has 2 divisors, whose sum is σ = 211000210012058. Its totient is φ = 211000210012056.

The previous prime is 211000210011839. The next prime is 211000210012093. The reversal of 211000210012057 is 750210012000112.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 203771742218496 + 7228467793561 = 14274864^2 + 2688581^2 .

It is a cyclic number.

It is not a de Polignac number, because 211000210012057 - 2²⁷ = 211000075794329 is a prime.

It is not a weakly prime, because it can be changed into another prime (211000210012457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105500105006028 + 105500105006029.

It is an arithmetic number, because the mean of its divisors is an integer number (105500105006029).

Almost surely, 2^{211000210012057} is an apocalyptic number.

It is an amenable number.

211000210012057 is a deficient number, since it is larger than the sum of its proper divisors (1).

211000210012057 is an equidigital number, since it uses as much as digits as its factorization.

211000210012057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 280, while the sum is 22.

Adding to 211000210012057 its reverse (750210012000112), we get a palindrome (961210222012169).

The spelling of 211000210012057 in words is "two hundred eleven trillion, two hundred ten million, twelve thousand, fifty-seven".