1121233202137 has 2 divisors, whose sum is σ = 1121233202138. Its totient is φ = 1121233202136.

The previous prime is 1121233202123. The next prime is 1121233202179. The reversal of 1121233202137 is 7312023321211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1115602800841 + 5630401296 = 1056221^2 + 75036^2 .

It is a cyclic number.

It is not a de Polignac number, because 1121233202137 - 2¹¹ = 1121233200089 is a prime.

It is not a weakly prime, because it can be changed into another prime (1121233209137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560616601068 + 560616601069.

It is an arithmetic number, because the mean of its divisors is an integer number (560616601069).

Almost surely, 2^{1121233202137} is an apocalyptic number.

It is an amenable number.

1121233202137 is a deficient number, since it is larger than the sum of its proper divisors (1).

1121233202137 is an equidigital number, since it uses as much as digits as its factorization.

1121233202137 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3024, while the sum is 28.

Adding to 1121233202137 its reverse (7312023321211), we get a palindrome (8433256523348).

The spelling of 1121233202137 in words is "one trillion, one hundred twenty-one billion, two hundred thirty-three million, two hundred two thousand, one hundred thirty-seven".