102011214197 has 2 divisors, whose sum is σ = 102011214198. Its totient is φ = 102011214196.

The previous prime is 102011214167. The next prime is 102011214259. The reversal of 102011214197 is 791412110201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 101985061201 + 26152996 = 319351^2 + 5114^2 .

It is an emirp because it is prime and its reverse (791412110201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 102011214197 - 2⁶ = 102011214133 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102011214167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51005607098 + 51005607099.

It is an arithmetic number, because the mean of its divisors is an integer number (51005607099).

Almost surely, 2^102011214197 is an apocalyptic number.

It is an amenable number.

102011214197 is a deficient number, since it is larger than the sum of its proper divisors (1).

102011214197 is an equidigital number, since it uses as much as digits as its factorization.

102011214197 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1008, while the sum is 29.

Adding to 102011214197 its reverse (791412110201), we get a palindrome (893423324398).

The spelling of 102011214197 in words is "one hundred two billion, eleven million, two hundred fourteen thousand, one hundred ninety-seven".