211012000221193 has 2 divisors, whose sum is σ = 211012000221194. Its totient is φ = 211012000221192.

The previous prime is 211012000221149. The next prime is 211012000221229. The reversal of 211012000221193 is 391122000210112.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 210933562696704 + 78437524489 = 14523552^2 + 280067^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-211012000221193 is a prime.

It is not a weakly prime, because it can be changed into another prime (211012000221133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105506000110596 + 105506000110597.

It is an arithmetic number, because the mean of its divisors is an integer number (105506000110597).

Almost surely, 2^{211012000221193} is an apocalyptic number.

It is an amenable number.

211012000221193 is a deficient number, since it is larger than the sum of its proper divisors (1).

211012000221193 is an equidigital number, since it uses as much as digits as its factorization.

211012000221193 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 25.

The spelling of 211012000221193 in words is "two hundred eleven trillion, twelve billion, two hundred twenty-one thousand, one hundred ninety-three".