102120101021207 has 2 divisors, whose sum is σ = 102120101021208. Its totient is φ = 102120101021206.

The previous prime is 102120101021189. The next prime is 102120101021233. The reversal of 102120101021207 is 702120101021201.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 102120101021207 - 2¹² = 102120101017111 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102120100021207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51060050510603 + 51060050510604.

It is an arithmetic number, because the mean of its divisors is an integer number (51060050510604).

Almost surely, 2^{102120101021207} is an apocalyptic number.

102120101021207 is a deficient number, since it is larger than the sum of its proper divisors (1).

102120101021207 is an equidigital number, since it uses as much as digits as its factorization.

102120101021207 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 112, while the sum is 20.

Adding to 102120101021207 its reverse (702120101021201), we get a palindrome (804240202042408).

The spelling of 102120101021207 in words is "one hundred two trillion, one hundred twenty billion, one hundred one million, twenty-one thousand, two hundred seven".