1101201113 has 4 divisors (see below), whose sum is σ = 1102626468. Its totient is φ = 1099775760.

The previous prime is 1101201109. The next prime is 1101201151. The reversal of 1101201113 is 3111021011.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3111021011 = 7 ⋅444431573.

It can be written as a sum of positive squares in 2 ways, for example, as 454414489 + 646786624 = 21317^2 + 25432^2 .

It is a cyclic number.

It is not a de Polignac number, because 1101201113 - 2² = 1101201109 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1101201094 and 1101201103.

It is not an unprimeable number, because it can be changed into a prime (1101204113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 711518 + ... + 713063.

It is an arithmetic number, because the mean of its divisors is an integer number (275656617).

Almost surely, 2^1101201113 is an apocalyptic number.

It is an amenable number.

1101201113 is a deficient number, since it is larger than the sum of its proper divisors (1425355).

1101201113 is an equidigital number, since it uses as much as digits as its factorization.

1101201113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1425354.

The product of its (nonzero) digits is 6, while the sum is 11.

The square root of 1101201113 is about 33184.3504230533. The cubic root of 1101201113 is about 1032.6557015335.

Adding to 1101201113 its reverse (3111021011), we get a palindrome (4212222124).

The spelling of 1101201113 in words is "one billion, one hundred one million, two hundred one thousand, one hundred thirteen".