221010102193 has 2 divisors, whose sum is σ = 221010102194. Its totient is φ = 221010102192.

The previous prime is 221010102161. The next prime is 221010102277. The reversal of 221010102193 is 391201010122.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 220620908209 + 389193984 = 469703^2 + 19728^2 .

It is a cyclic number.

It is not a de Polignac number, because 221010102193 - 2⁵ = 221010102161 is a prime.

It is not a weakly prime, because it can be changed into another prime (221010172193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110505051096 + 110505051097.

It is an arithmetic number, because the mean of its divisors is an integer number (110505051097).

Almost surely, 2^221010102193 is an apocalyptic number.

It is an amenable number.

221010102193 is a deficient number, since it is larger than the sum of its proper divisors (1).

221010102193 is an equidigital number, since it uses as much as digits as its factorization.

221010102193 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 22.

The spelling of 221010102193 in words is "two hundred twenty-one billion, ten million, one hundred two thousand, one hundred ninety-three".