2211151123 has 2 divisors, whose sum is σ = 2211151124. Its totient is φ = 2211151122.

The previous prime is 2211151097. The next prime is 2211151169. The reversal of 2211151123 is 3211511122.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2211151123 - 2⁵ = 2211151091 is a prime.

It is a super-2 number, since 2×2211151123² = 9778378577488322258, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2211151123.

It is not a weakly prime, because it can be changed into another prime (2211151183) 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, 1105575561 + 1105575562.

It is an arithmetic number, because the mean of its divisors is an integer number (1105575562).

Almost surely, 2^2211151123 is an apocalyptic number.

2211151123 is a deficient number, since it is larger than the sum of its proper divisors (1).

2211151123 is an equidigital number, since it uses as much as digits as its factorization.

2211151123 is an odious number, because the sum of its binary digits is odd.

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

The square root of 2211151123 is about 47022.8787187684. The cubic root of 2211151123 is about 1302.7851771733.

Adding to 2211151123 its reverse (3211511122), we get a palindrome (5422662245).

The spelling of 2211151123 in words is "two billion, two hundred eleven million, one hundred fifty-one thousand, one hundred twenty-three".