102012222197 has 2 divisors, whose sum is σ = 102012222198. Its totient is φ = 102012222196.

The previous prime is 102012222187. The next prime is 102012222199. The reversal of 102012222197 is 791222210201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 91808394001 + 10203828196 = 302999^2 + 101014^2 .

It is a cyclic number.

It is not a de Polignac number, because 102012222197 - 2¹² = 102012218101 is a prime.

Together with 102012222199, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102012222199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51006111098 + 51006111099.

It is an arithmetic number, because the mean of its divisors is an integer number (51006111099).

Almost surely, 2^102012222197 is an apocalyptic number.

It is an amenable number.

102012222197 is a deficient number, since it is larger than the sum of its proper divisors (1).

102012222197 is an equidigital number, since it uses as much as digits as its factorization.

102012222197 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 29.

Adding to 102012222197 its reverse (791222210201), we get a palindrome (893234432398).

The spelling of 102012222197 in words is "one hundred two billion, twelve million, two hundred twenty-two thousand, one hundred ninety-seven".