1121432223061 has 2 divisors, whose sum is σ = 1121432223062. Its totient is φ = 1121432223060.

The previous prime is 1121432223059. The next prime is 1121432223133. The reversal of 1121432223061 is 1603222341211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 990833104836 + 130599118225 = 995406^2 + 361385^2 .

It is an emirp because it is prime and its reverse (1603222341211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1121432223061 - 2¹ = 1121432223059 is a prime.

It is a super-2 number, since 2×1121432223061² (a number of 25 digits) contains 22 as substring.

Together with 1121432223059, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1121432221061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560716111530 + 560716111531.

It is an arithmetic number, because the mean of its divisors is an integer number (560716111531).

Almost surely, 2^{1121432223061} is an apocalyptic number.

It is an amenable number.

1121432223061 is a deficient number, since it is larger than the sum of its proper divisors (1).

1121432223061 is an equidigital number, since it uses as much as digits as its factorization.

1121432223061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 28.

Adding to 1121432223061 its reverse (1603222341211), we get a palindrome (2724654564272).

The spelling of 1121432223061 in words is "one trillion, one hundred twenty-one billion, four hundred thirty-two million, two hundred twenty-three thousand, sixty-one".