2101100020207 has 2 divisors, whose sum is σ = 2101100020208. Its totient is φ = 2101100020206.

The previous prime is 2101100020189. The next prime is 2101100020219. The reversal of 2101100020207 is 7020200011012.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2101100020207 - 2¹¹ = 2101100018159 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2101100020007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1050550010103 + 1050550010104.

It is an arithmetic number, because the mean of its divisors is an integer number (1050550010104).

Almost surely, 2^{2101100020207} is an apocalyptic number.

2101100020207 is a deficient number, since it is larger than the sum of its proper divisors (1).

2101100020207 is an equidigital number, since it uses as much as digits as its factorization.

2101100020207 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 56, while the sum is 16.

Adding to 2101100020207 its reverse (7020200011012), we get a palindrome (9121300031219).

The spelling of 2101100020207 in words is "two trillion, one hundred one billion, one hundred million, twenty thousand, two hundred seven".