102210210197 has 4 divisors (see below), whose sum is σ = 102221982060. Its totient is φ = 102198438336.

The previous prime is 102210210149. The next prime is 102210210211. The reversal of 102210210197 is 791012012201.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 66585157681 + 35625052516 = 258041^2 + 188746^2 .

It is a cyclic number.

It is not a de Polignac number, because 102210210197 - 2³⁶ = 33490733461 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102210210097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5872898 + ... + 5890275.

It is an arithmetic number, because the mean of its divisors is an integer number (25555495515).

Almost surely, 2^102210210197 is an apocalyptic number.

It is an amenable number.

102210210197 is a deficient number, since it is larger than the sum of its proper divisors (11771863).

102210210197 is an equidigital number, since it uses as much as digits as its factorization.

102210210197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11771862.

The product of its (nonzero) digits is 504, while the sum is 26.

Adding to 102210210197 its reverse (791012012201), we get a palindrome (893222222398).

The spelling of 102210210197 in words is "one hundred two billion, two hundred ten million, two hundred ten thousand, one hundred ninety-seven".