102011207 has 2 divisors, whose sum is σ = 102011208. Its totient is φ = 102011206.

The previous prime is 102011191. The next prime is 102011219. The reversal of 102011207 is 702110201.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 102011207 - 2⁴ = 102011191 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 102011191 and 102011200.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102011227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51005603 + 51005604.

It is an arithmetic number, because the mean of its divisors is an integer number (51005604).

Almost surely, 2^102011207 is an apocalyptic number.

102011207 is a deficient number, since it is larger than the sum of its proper divisors (1).

102011207 is an equidigital number, since it uses as much as digits as its factorization.

102011207 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28, while the sum is 14.

The square root of 102011207 is about 10100.0597522985. The cubic root of 102011207 is about 467.2499842311.

Adding to 102011207 its reverse (702110201), we get a palindrome (804121408).

The spelling of 102011207 in words is "one hundred two million, eleven thousand, two hundred seven".