1121103231037 has 2 divisors, whose sum is σ = 1121103231038. Its totient is φ = 1121103231036.

The previous prime is 1121103231019. The next prime is 1121103231041. The reversal of 1121103231037 is 7301323011211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1074071067876 + 47032163161 = 1036374^2 + 216869^2 .

It is an emirp because it is prime and its reverse (7301323011211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1121103231037 - 2¹⁹ = 1121102706749 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1121103231007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560551615518 + 560551615519.

It is an arithmetic number, because the mean of its divisors is an integer number (560551615519).

Almost surely, 2^{1121103231037} is an apocalyptic number.

It is an amenable number.

1121103231037 is a deficient number, since it is larger than the sum of its proper divisors (1).

1121103231037 is an equidigital number, since it uses as much as digits as its factorization.

1121103231037 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 756, while the sum is 25.

Adding to 1121103231037 its reverse (7301323011211), we get a palindrome (8422426242248).

The spelling of 1121103231037 in words is "one trillion, one hundred twenty-one billion, one hundred three million, two hundred thirty-one thousand, thirty-seven".