1201210220099 has 2 divisors, whose sum is σ = 1201210220100. Its totient is φ = 1201210220098.

The previous prime is 1201210220029. The next prime is 1201210220113. The reversal of 1201210220099 is 9900220121021.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1201210220099 - 2⁴⁰ = 101698592323 is a prime.

It is not a weakly prime, because it can be changed into another prime (1201210220009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 600605110049 + 600605110050.

It is an arithmetic number, because the mean of its divisors is an integer number (600605110050).

Almost surely, 2^{1201210220099} is an apocalyptic number.

1201210220099 is a deficient number, since it is larger than the sum of its proper divisors (1).

1201210220099 is an equidigital number, since it uses as much as digits as its factorization.

1201210220099 is an odious number, because the sum of its binary digits is odd.

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

The spelling of 1201210220099 in words is "one trillion, two hundred one billion, two hundred ten million, two hundred twenty thousand, ninety-nine".