221010230333197 has 2 divisors, whose sum is σ = 221010230333198. Its totient is φ = 221010230333196.

The previous prime is 221010230333161. The next prime is 221010230333251. The reversal of 221010230333197 is 791333032010122.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 174841752255076 + 46168478078121 = 13222774^2 + 6794739^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-221010230333197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (221010210333197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110505115166598 + 110505115166599.

It is an arithmetic number, because the mean of its divisors is an integer number (110505115166599).

Almost surely, 2^{221010230333197} is an apocalyptic number.

It is an amenable number.

221010230333197 is a deficient number, since it is larger than the sum of its proper divisors (1).

221010230333197 is an equidigital number, since it uses as much as digits as its factorization.

221010230333197 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40824, while the sum is 37.

The spelling of 221010230333197 in words is "two hundred twenty-one trillion, ten billion, two hundred thirty million, three hundred thirty-three thousand, one hundred ninety-seven".