2021013107 has 2 divisors, whose sum is σ = 2021013108. Its totient is φ = 2021013106.

The previous prime is 2021013077. The next prime is 2021013179. The reversal of 2021013107 is 7013101202.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2021013107 is a prime.

It is not a weakly prime, because it can be changed into another prime (2021013187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1010506553 + 1010506554.

It is an arithmetic number, because the mean of its divisors is an integer number (1010506554).

Almost surely, 2^2021013107 is an apocalyptic number.

2021013107 is a deficient number, since it is larger than the sum of its proper divisors (1).

2021013107 is an equidigital number, since it uses as much as digits as its factorization.

2021013107 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 84, while the sum is 17.

The square root of 2021013107 is about 44955.6793631239. The cubic root of 2021013107 is about 1264.3181621357.

Adding to 2021013107 its reverse (7013101202), we get a palindrome (9034114309).

The spelling of 2021013107 in words is "two billion, twenty-one million, thirteen thousand, one hundred seven".