2085221711 has 2 divisors, whose sum is σ = 2085221712. Its totient is φ = 2085221710.

The previous prime is 2085221687. The next prime is 2085221729. The reversal of 2085221711 is 1171225802.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2085221711 - 2⁶ = 2085221647 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2085221111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1042610855 + 1042610856.

It is an arithmetic number, because the mean of its divisors is an integer number (1042610856).

Almost surely, 2^2085221711 is an apocalyptic number.

2085221711 is a deficient number, since it is larger than the sum of its proper divisors (1).

2085221711 is an equidigital number, since it uses as much as digits as its factorization.

2085221711 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2240, while the sum is 29.

The square root of 2085221711 is about 45664.2279142000. The cubic root of 2085221711 is about 1277.5681592202.

The spelling of 2085221711 in words is "two billion, eighty-five million, two hundred twenty-one thousand, seven hundred eleven".