2021201012099 has 2 divisors, whose sum is σ = 2021201012100. Its totient is φ = 2021201012098.

The previous prime is 2021201012093. The next prime is 2021201012147. The reversal of 2021201012099 is 9902101021202.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2021201012099 is a prime.

It is not a weakly prime, because it can be changed into another prime (2021201012093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1010600506049 + 1010600506050.

It is an arithmetic number, because the mean of its divisors is an integer number (1010600506050).

Almost surely, 2^{2021201012099} is an apocalyptic number.

2021201012099 is a deficient number, since it is larger than the sum of its proper divisors (1).

2021201012099 is an equidigital number, since it uses as much as digits as its factorization.

2021201012099 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 29.

The spelling of 2021201012099 in words is "two trillion, twenty-one billion, two hundred one million, twelve thousand, ninety-nine".