10206007121 has 2 divisors, whose sum is σ = 10206007122. Its totient is φ = 10206007120.

The previous prime is 10206007087. The next prime is 10206007139. The reversal of 10206007121 is 12170060201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5873076496 + 4332930625 = 76636^2 + 65825^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10206007121 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10206007093 and 10206007102.

It is not a weakly prime, because it can be changed into another prime (10206007151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5103003560 + 5103003561.

It is an arithmetic number, because the mean of its divisors is an integer number (5103003561).

Almost surely, 2^10206007121 is an apocalyptic number.

It is an amenable number.

10206007121 is a deficient number, since it is larger than the sum of its proper divisors (1).

10206007121 is an equidigital number, since it uses as much as digits as its factorization.

10206007121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 168, while the sum is 20.

Adding to 10206007121 its reverse (12170060201), we get a palindrome (22376067322).

The spelling of 10206007121 in words is "ten billion, two hundred six million, seven thousand, one hundred twenty-one".