1202112113 has 2 divisors, whose sum is σ = 1202112114. Its totient is φ = 1202112112.

The previous prime is 1202112077. The next prime is 1202112139. The reversal of 1202112113 is 3112112021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 943288369 + 258823744 = 30713^2 + 16088^2 .

It is a cyclic number.

It is not a de Polignac number, because 1202112113 - 2¹⁶ = 1202046577 is a prime.

It is not a weakly prime, because it can be changed into another prime (1202192113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 601056056 + 601056057.

It is an arithmetic number, because the mean of its divisors is an integer number (601056057).

Almost surely, 2^1202112113 is an apocalyptic number.

It is an amenable number.

1202112113 is a deficient number, since it is larger than the sum of its proper divisors (1).

1202112113 is an equidigital number, since it uses as much as digits as its factorization.

1202112113 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24, while the sum is 14.

The square root of 1202112113 is about 34671.4884739608. The cubic root of 1202112113 is about 1063.2816634735.

Adding to 1202112113 its reverse (3112112021), we get a palindrome (4314224134).

The spelling of 1202112113 in words is "one billion, two hundred two million, one hundred twelve thousand, one hundred thirteen".