1110001213 has 4 divisors (see below), whose sum is σ = 1175295420. Its totient is φ = 1044707008.

The previous prime is 1110001199. The next prime is 1110001219. The reversal of 1110001213 is 3121000111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3121000111 = 23 ⋅135695657.

It can be written as a sum of positive squares in 2 ways, for example, as 768564729 + 341436484 = 27723^2 + 18478^2 .

It is a cyclic number.

It is not a de Polignac number, because 1110001213 - 2⁵ = 1110001181 is a prime.

It is a super-2 number, since 2×1110001213² = 2464205385722942738, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1110001213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1110001219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32647078 + ... + 32647111.

It is an arithmetic number, because the mean of its divisors is an integer number (293823855).

Almost surely, 2^1110001213 is an apocalyptic number.

It is an amenable number.

1110001213 is a deficient number, since it is larger than the sum of its proper divisors (65294207).

1110001213 is an equidigital number, since it uses as much as digits as its factorization.

1110001213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65294206.

The product of its (nonzero) digits is 6, while the sum is 10.

The square root of 1110001213 is about 33316.6807020147. The cubic root of 1110001213 is about 1035.3991826071.

Adding to 1110001213 its reverse (3121000111), we get a palindrome (4231001324).

The spelling of 1110001213 in words is "one billion, one hundred ten million, one thousand, two hundred thirteen".