210102020120011 has 2 divisors, whose sum is σ = 210102020120012. Its totient is φ = 210102020120010.

The previous prime is 210102020119987. The next prime is 210102020120039. The reversal of 210102020120011 is 110021020201012.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-210102020120011 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 210102020119973 and 210102020120000.

It is not a weakly prime, because it can be changed into another prime (210102020123011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105051010060005 + 105051010060006.

It is an arithmetic number, because the mean of its divisors is an integer number (105051010060006).

Almost surely, 2^{210102020120011} is an apocalyptic number.

210102020120011 is a deficient number, since it is larger than the sum of its proper divisors (1).

210102020120011 is an equidigital number, since it uses as much as digits as its factorization.

210102020120011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 210102020120011 its reverse (110021020201012), we get a palindrome (320123040321023).

The spelling of 210102020120011 in words is "two hundred ten trillion, one hundred two billion, twenty million, one hundred twenty thousand, eleven".