11220120143 has 2 divisors, whose sum is σ = 11220120144. Its totient is φ = 11220120142.

The previous prime is 11220120133. The next prime is 11220120251. The reversal of 11220120143 is 34102102211.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11220120143 - 2⁴ = 11220120127 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11220120133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5610060071 + 5610060072.

It is an arithmetic number, because the mean of its divisors is an integer number (5610060072).

Almost surely, 2^11220120143 is an apocalyptic number.

11220120143 is a deficient number, since it is larger than the sum of its proper divisors (1).

11220120143 is an equidigital number, since it uses as much as digits as its factorization.

11220120143 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 11220120143 its reverse (34102102211), we get a palindrome (45322222354).

The spelling of 11220120143 in words is "eleven billion, two hundred twenty million, one hundred twenty thousand, one hundred forty-three".