1201201113 has 64 divisors (see below), whose sum is σ = 2012774400. Its totient is φ = 621388800.

The previous prime is 1201201093. The next prime is 1201201121. The reversal of 1201201113 is 3111021021.

It is not a de Polignac number, because 1201201113 - 2¹⁸ = 1200938969 is a prime.

It is a super-2 number, since 2×1201201113² = 2885768227744877538, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1201201163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3441663 + ... + 3442011.

It is an arithmetic number, because the mean of its divisors is an integer number (31449600).

Almost surely, 2^1201201113 is an apocalyptic number.

It is an amenable number.

1201201113 is a deficient number, since it is larger than the sum of its proper divisors (811573287).

1201201113 is a wasteful number, since it uses less digits than its factorization.

1201201113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 718.

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

The square root of 1201201113 is about 34658.3483882311. The cubic root of 1201201113 is about 1063.0129990177.

Adding to 1201201113 its reverse (3111021021), we get a palindrome (4312222134).

The spelling of 1201201113 in words is "one billion, two hundred one million, two hundred one thousand, one hundred thirteen".