1220112110233 has 2 divisors, whose sum is σ = 1220112110234. Its totient is φ = 1220112110232.

The previous prime is 1220112110219. The next prime is 1220112110267. The reversal of 1220112110233 is 3320112110221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1137287874969 + 82824235264 = 1066437^2 + 287792^2 .

It is a cyclic number.

It is not a de Polignac number, because 1220112110233 - 2⁹ = 1220112109721 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1220112110233.

It is not a weakly prime, because it can be changed into another prime (1220112180233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 610056055116 + 610056055117.

It is an arithmetic number, because the mean of its divisors is an integer number (610056055117).

Almost surely, 2^{1220112110233} is an apocalyptic number.

It is an amenable number.

1220112110233 is a deficient number, since it is larger than the sum of its proper divisors (1).

1220112110233 is an equidigital number, since it uses as much as digits as its factorization.

1220112110233 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 1220112110233 its reverse (3320112110221), we get a palindrome (4540224220454).

The spelling of 1220112110233 in words is "one trillion, two hundred twenty billion, one hundred twelve million, one hundred ten thousand, two hundred thirty-three".