10202220200197 has 2 divisors, whose sum is σ = 10202220200198. Its totient is φ = 10202220200196.

The previous prime is 10202220200111. The next prime is 10202220200209. The reversal of 10202220200197 is 79100202220201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9159587243361 + 1042632956836 = 3026481^2 + 1021094^2 .

It is a cyclic number.

It is not a de Polignac number, because 10202220200197 - 2¹⁵ = 10202220167429 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10202220270197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5101110100098 + 5101110100099.

It is an arithmetic number, because the mean of its divisors is an integer number (5101110100099).

Almost surely, 2^{10202220200197} is an apocalyptic number.

It is an amenable number.

10202220200197 is a deficient number, since it is larger than the sum of its proper divisors (1).

10202220200197 is an equidigital number, since it uses as much as digits as its factorization.

10202220200197 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2016, while the sum is 28.

Adding to 10202220200197 its reverse (79100202220201), we get a palindrome (89302422420398).

The spelling of 10202220200197 in words is "ten trillion, two hundred two billion, two hundred twenty million, two hundred thousand, one hundred ninety-seven".