102120120010061 has 2 divisors, whose sum is σ = 102120120010062. Its totient is φ = 102120120010060.

The previous prime is 102120120010039. The next prime is 102120120010121. The reversal of 102120120010061 is 160010021021201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 60876353428900 + 41243766581161 = 7802330^2 + 6422131^2 .

It is a cyclic number.

It is not a de Polignac number, because 102120120010061 - 2¹⁸ = 102120119747917 is a prime.

It is a super-2 number, since 2×102120120010061² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102120120010001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51060060005030 + 51060060005031.

It is an arithmetic number, because the mean of its divisors is an integer number (51060060005031).

Almost surely, 2^{102120120010061} is an apocalyptic number.

It is an amenable number.

102120120010061 is a deficient number, since it is larger than the sum of its proper divisors (1).

102120120010061 is an equidigital number, since it uses as much as digits as its factorization.

102120120010061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 102120120010061 its reverse (160010021021201), we get a palindrome (262130141031262).

The spelling of 102120120010061 in words is "one hundred two trillion, one hundred twenty billion, one hundred twenty million, ten thousand, sixty-one".