102011021207 has 2 divisors, whose sum is σ = 102011021208. Its totient is φ = 102011021206.

The previous prime is 102011021201. The next prime is 102011021213. The reversal of 102011021207 is 702120110201.

It is a balanced prime because it is at equal distance from previous prime (102011021201) and next prime (102011021213).

It is a cyclic number.

It is not a de Polignac number, because 102011021207 - 2¹² = 102011017111 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102011021201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51005510603 + 51005510604.

It is an arithmetic number, because the mean of its divisors is an integer number (51005510604).

Almost surely, 2^102011021207 is an apocalyptic number.

102011021207 is a deficient number, since it is larger than the sum of its proper divisors (1).

102011021207 is an equidigital number, since it uses as much as digits as its factorization.

102011021207 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 56, while the sum is 17.

Adding to 102011021207 its reverse (702120110201), we get a palindrome (804131131408).

The spelling of 102011021207 in words is "one hundred two billion, eleven million, twenty-one thousand, two hundred seven".