121230012021211 has 16 divisors (see below), whose sum is σ = 123228950737536. Its totient is φ = 119248162972416.

The previous prime is 121230012021179. The next prime is 121230012021233. The reversal of 121230012021211 is 112120210032121.

It is a cyclic number.

It is not a de Polignac number, because 121230012021211 - 2⁵ = 121230012021179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121230012021011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8235460 + ... + 17614846.

It is an arithmetic number, because the mean of its divisors is an integer number (7701809421096).

Almost surely, 2^{121230012021211} is an apocalyptic number.

121230012021211 is a deficient number, since it is larger than the sum of its proper divisors (1998938716325).

121230012021211 is an equidigital number, since it uses as much as digits as its factorization.

121230012021211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9380298.

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 121230012021211 its reverse (112120210032121), we get a palindrome (233350222053332).

The spelling of 121230012021211 in words is "one hundred twenty-one trillion, two hundred thirty billion, twelve million, twenty-one thousand, two hundred eleven".