12220111153 has 2 divisors, whose sum is σ = 12220111154. Its totient is φ = 12220111152.

The previous prime is 12220111109. The next prime is 12220111243. The reversal of 12220111153 is 35111102221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8069788224 + 4150322929 = 89832^2 + 64423^2 .

It is a cyclic number.

It is not a de Polignac number, because 12220111153 - 2⁹ = 12220110641 is a prime.

It is a super-3 number, since 3×12220111153³ (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 12220111153.

It is not a weakly prime, because it can be changed into another prime (12220111103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6110055576 + 6110055577.

It is an arithmetic number, because the mean of its divisors is an integer number (6110055577).

Almost surely, 2^12220111153 is an apocalyptic number.

It is an amenable number.

12220111153 is a deficient number, since it is larger than the sum of its proper divisors (1).

12220111153 is an equidigital number, since it uses as much as digits as its factorization.

12220111153 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 120, while the sum is 19.

Adding to 12220111153 its reverse (35111102221), we get a palindrome (47331213374).

The spelling of 12220111153 in words is "twelve billion, two hundred twenty million, one hundred eleven thousand, one hundred fifty-three".