1121111022137 has 2 divisors, whose sum is σ = 1121111022138. Its totient is φ = 1121111022136.

The previous prime is 1121111022113. The next prime is 1121111022167. The reversal of 1121111022137 is 7312201111211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 560972538361 + 560138483776 = 748981^2 + 748424^2 .

It is a cyclic number.

It is not a de Polignac number, because 1121111022137 - 2⁸ = 1121111021881 is a prime.

It is not a weakly prime, because it can be changed into another prime (1121111022167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560555511068 + 560555511069.

It is an arithmetic number, because the mean of its divisors is an integer number (560555511069).

Almost surely, 2^{1121111022137} is an apocalyptic number.

It is an amenable number.

1121111022137 is a deficient number, since it is larger than the sum of its proper divisors (1).

1121111022137 is an equidigital number, since it uses as much as digits as its factorization.

1121111022137 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 168, while the sum is 23.

Adding to 1121111022137 its reverse (7312201111211), we get a palindrome (8433312133348).

The spelling of 1121111022137 in words is "one trillion, one hundred twenty-one billion, one hundred eleven million, twenty-two thousand, one hundred thirty-seven".