122220332141 has 4 divisors (see below), whose sum is σ = 122432153052. Its totient is φ = 122008511232.

The previous prime is 122220332137. The next prime is 122220332173. The reversal of 122220332141 is 141233022221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 141233022221 = 19 ⋅7433316959.

It can be written as a sum of positive squares in 2 ways, for example, as 112969932100 + 9250400041 = 336110^2 + 96179^2 .

It is a cyclic number.

It is not a de Polignac number, because 122220332141 - 2² = 122220332137 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122220332441) 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 in 3 ways as a sum of consecutive naturals, for example, 105909590 + ... + 105910743.

It is an arithmetic number, because the mean of its divisors is an integer number (30608038263).

Almost surely, 2^122220332141 is an apocalyptic number.

It is an amenable number.

122220332141 is a deficient number, since it is larger than the sum of its proper divisors (211820911).

122220332141 is an equidigital number, since it uses as much as digits as its factorization.

122220332141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211820910.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 122220332141 its reverse (141233022221), we get a palindrome (263453354362).

The spelling of 122220332141 in words is "one hundred twenty-two billion, two hundred twenty million, three hundred thirty-two thousand, one hundred forty-one".