122220111012029 has 2 divisors, whose sum is σ = 122220111012030. Its totient is φ = 122220111012028.

The previous prime is 122220111011981. The next prime is 122220111012037. The reversal of 122220111012029 is 920210111022221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 79498658104804 + 42721452907225 = 8916202^2 + 6536165^2 .

It is an emirp because it is prime and its reverse (920210111022221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 122220111012029 - 2¹² = 122220111007933 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 122220111011989 and 122220111012007.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122220111012529) 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, 61110055506014 + 61110055506015.

It is an arithmetic number, because the mean of its divisors is an integer number (61110055506015).

Almost surely, 2^{122220111012029} is an apocalyptic number.

It is an amenable number.

122220111012029 is a deficient number, since it is larger than the sum of its proper divisors (1).

122220111012029 is an equidigital number, since it uses as much as digits as its factorization.

122220111012029 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 26.

The spelling of 122220111012029 in words is "one hundred twenty-two trillion, two hundred twenty billion, one hundred eleven million, twelve thousand, twenty-nine".