2120021210207 has 2 divisors, whose sum is σ = 2120021210208. Its totient is φ = 2120021210206.

The previous prime is 2120021210179. The next prime is 2120021210233. The reversal of 2120021210207 is 7020121200212.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2120021210207 - 2⁸ = 2120021209951 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2120021210297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1060010605103 + 1060010605104.

It is an arithmetic number, because the mean of its divisors is an integer number (1060010605104).

Almost surely, 2^{2120021210207} is an apocalyptic number.

2120021210207 is a deficient number, since it is larger than the sum of its proper divisors (1).

2120021210207 is an equidigital number, since it uses as much as digits as its factorization.

2120021210207 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 224, while the sum is 20.

Adding to 2120021210207 its reverse (7020121200212), we get a palindrome (9140142410419).

The spelling of 2120021210207 in words is "two trillion, one hundred twenty billion, twenty-one million, two hundred ten thousand, two hundred seven".