102120220000067 has 2 divisors, whose sum is σ = 102120220000068. Its totient is φ = 102120220000066.

The previous prime is 102120220000063. The next prime is 102120220000103. The reversal of 102120220000067 is 760000022021201.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 102120220000067 - 2² = 102120220000063 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 102120219999997 and 102120220000051.

It is not a weakly prime, because it can be changed into another prime (102120220000063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51060110000033 + 51060110000034.

It is an arithmetic number, because the mean of its divisors is an integer number (51060110000034).

Almost surely, 2^{102120220000067} is an apocalyptic number.

102120220000067 is a deficient number, since it is larger than the sum of its proper divisors (1).

102120220000067 is an equidigital number, since it uses as much as digits as its factorization.

102120220000067 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 672, while the sum is 23.

Adding to 102120220000067 its reverse (760000022021201), we get a palindrome (862120242021268).

The spelling of 102120220000067 in words is "one hundred two trillion, one hundred twenty billion, two hundred twenty million, sixty-seven", and thus it is an aban number.