121220032211029 has 2 divisors, whose sum is σ = 121220032211030. Its totient is φ = 121220032211028.

The previous prime is 121220032211011. The next prime is 121220032211077. The reversal of 121220032211029 is 920112230022121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 111225013190929 + 9995019020100 = 10546327^2 + 3161490^2 .

It is a cyclic number.

It is not a de Polignac number, because 121220032211029 - 2⁹ = 121220032210517 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 121220032210988 and 121220032211006.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121220032251029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60610016105514 + 60610016105515.

It is an arithmetic number, because the mean of its divisors is an integer number (60610016105515).

Almost surely, 2^{121220032211029} is an apocalyptic number.

It is an amenable number.

121220032211029 is a deficient number, since it is larger than the sum of its proper divisors (1).

121220032211029 is an equidigital number, since it uses as much as digits as its factorization.

121220032211029 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 28.

The spelling of 121220032211029 in words is "one hundred twenty-one trillion, two hundred twenty billion, thirty-two million, two hundred eleven thousand, twenty-nine".