1123222221229 has 2 divisors, whose sum is σ = 1123222221230. Its totient is φ = 1123222221228.

The previous prime is 1123222221223. The next prime is 1123222221337. The reversal of 1123222221229 is 9221222223211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1120691125129 + 2531096100 = 1058627^2 + 50310^2 .

It is a cyclic number.

It is not a de Polignac number, because 1123222221229 - 2²⁷ = 1123088003501 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1123222221229.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1123222221223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 561611110614 + 561611110615.

It is an arithmetic number, because the mean of its divisors is an integer number (561611110615).

Almost surely, 2^{1123222221229} is an apocalyptic number.

It is an amenable number.

1123222221229 is a deficient number, since it is larger than the sum of its proper divisors (1).

1123222221229 is an equidigital number, since it uses as much as digits as its factorization.

1123222221229 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6912, while the sum is 31.

The spelling of 1123222221229 in words is "one trillion, one hundred twenty-three billion, two hundred twenty-two million, two hundred twenty-one thousand, two hundred twenty-nine".