20102100210107 has 2 divisors, whose sum is σ = 20102100210108. Its totient is φ = 20102100210106.

The previous prime is 20102100210079. The next prime is 20102100210119. The reversal of 20102100210107 is 70101200120102.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20102100210107 - 2¹⁴ = 20102100193723 is a prime.

It is not a weakly prime, because it can be changed into another prime (20102100210707) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10051050105053 + 10051050105054.

It is an arithmetic number, because the mean of its divisors is an integer number (10051050105054).

Almost surely, 2^{20102100210107} is an apocalyptic number.

20102100210107 is a deficient number, since it is larger than the sum of its proper divisors (1).

20102100210107 is an equidigital number, since it uses as much as digits as its factorization.

20102100210107 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 56, while the sum is 17.

Adding to 20102100210107 its reverse (70101200120102), we get a palindrome (90203300330209).

The spelling of 20102100210107 in words is "twenty trillion, one hundred two billion, one hundred million, two hundred ten thousand, one hundred seven".