1210020010099 has 2 divisors, whose sum is σ = 1210020010100. Its totient is φ = 1210020010098.

The previous prime is 1210020010079. The next prime is 1210020010123. The reversal of 1210020010099 is 9900100200121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1210020010099 - 2²³ = 1210011621491 is a prime.

It is not a weakly prime, because it can be changed into another prime (1210020010079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 605010005049 + 605010005050.

It is an arithmetic number, because the mean of its divisors is an integer number (605010005050).

Almost surely, 2^{1210020010099} is an apocalyptic number.

1210020010099 is a deficient number, since it is larger than the sum of its proper divisors (1).

1210020010099 is an equidigital number, since it uses as much as digits as its factorization.

1210020010099 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324, while the sum is 25.

The spelling of 1210020010099 in words is "one trillion, two hundred ten billion, twenty million, ten thousand, ninety-nine".