1121102113 has 2 divisors, whose sum is σ = 1121102114. Its totient is φ = 1121102112.

The previous prime is 1121102093. The next prime is 1121102119. The reversal of 1121102113 is 3112011211.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 567535329 + 553566784 = 23823^2 + 23528^2 .

It is a cyclic number.

It is not a de Polignac number, because 1121102113 - 2²⁹ = 584231201 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1121102093 and 1121102102.

It is not a weakly prime, because it can be changed into another prime (1121102119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560551056 + 560551057.

It is an arithmetic number, because the mean of its divisors is an integer number (560551057).

Almost surely, 2^1121102113 is an apocalyptic number.

It is an amenable number.

1121102113 is a deficient number, since it is larger than the sum of its proper divisors (1).

1121102113 is an equidigital number, since it uses as much as digits as its factorization.

1121102113 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12, while the sum is 13.

The square root of 1121102113 is about 33482.8629749608. The cubic root of 1121102113 is about 1038.8393465113.

Adding to 1121102113 its reverse (3112011211), we get a palindrome (4233113324).

The spelling of 1121102113 in words is "one billion, one hundred twenty-one million, one hundred two thousand, one hundred thirteen".