2120021107 has 2 divisors, whose sum is σ = 2120021108. Its totient is φ = 2120021106.

The previous prime is 2120021093. The next prime is 2120021119. The reversal of 2120021107 is 7011200212.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2120021107 - 2⁷ = 2120020979 is a prime.

It is not a weakly prime, because it can be changed into another prime (2120021507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1060010553 + 1060010554.

It is an arithmetic number, because the mean of its divisors is an integer number (1060010554).

Almost surely, 2^2120021107 is an apocalyptic number.

2120021107 is a deficient number, since it is larger than the sum of its proper divisors (1).

2120021107 is an equidigital number, since it uses as much as digits as its factorization.

2120021107 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 16.

The square root of 2120021107 is about 46043.6869396881. The cubic root of 2120021107 is about 1284.6359210191.

Adding to 2120021107 its reverse (7011200212), we get a palindrome (9131221319).

The spelling of 2120021107 in words is "two billion, one hundred twenty million, twenty-one thousand, one hundred seven".