210021100100107 has 2 divisors, whose sum is σ = 210021100100108. Its totient is φ = 210021100100106.

The previous prime is 210021100100099. The next prime is 210021100100117. The reversal of 210021100100107 is 701001001120012.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 210021100100107 - 2³ = 210021100100099 is a prime.

It is a super-2 number, since 2×210021100100107² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (210021100100117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105010550050053 + 105010550050054.

It is an arithmetic number, because the mean of its divisors is an integer number (105010550050054).

Almost surely, 2^{210021100100107} is an apocalyptic number.

210021100100107 is a deficient number, since it is larger than the sum of its proper divisors (1).

210021100100107 is an equidigital number, since it uses as much as digits as its factorization.

210021100100107 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28, while the sum is 16.

Adding to 210021100100107 its reverse (701001001120012), we get a palindrome (911022101220119).

The spelling of 210021100100107 in words is "two hundred ten trillion, twenty-one billion, one hundred million, one hundred thousand, one hundred seven".