1200201113 has 2 divisors, whose sum is σ = 1200201114. Its totient is φ = 1200201112.

The previous prime is 1200201097. The next prime is 1200201133. The reversal of 1200201113 is 3111020021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1077611929 + 122589184 = 32827^2 + 11072^2 .

It is a cyclic number.

It is not a de Polignac number, because 1200201113 - 2⁴ = 1200201097 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1200201094 and 1200201103.

It is not a weakly prime, because it can be changed into another prime (1200201133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 600100556 + 600100557.

It is an arithmetic number, because the mean of its divisors is an integer number (600100557).

Almost surely, 2^1200201113 is an apocalyptic number.

It is an amenable number.

1200201113 is a deficient number, since it is larger than the sum of its proper divisors (1).

1200201113 is an equidigital number, since it uses as much as digits as its factorization.

1200201113 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 11.

The square root of 1200201113 is about 34643.9188458812. The cubic root of 1200201113 is about 1062.7179309923.

Adding to 1200201113 its reverse (3111020021), we get a palindrome (4311221134).

The spelling of 1200201113 in words is "one billion, two hundred million, two hundred one thousand, one hundred thirteen".