1113120213 has 12 divisors (see below), whose sum is σ = 1551496800. Its totient is φ = 709814776.

The previous prime is 1113120209. The next prime is 1113120227. The reversal of 1113120213 is 3120213111.

It is a happy number.

It is not a de Polignac number, because 1113120213 - 2² = 1113120209 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1113120192 and 1113120201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1113120413) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 349113 + ... + 352286.

It is an arithmetic number, because the mean of its divisors is an integer number (129291400).

Almost surely, 2^1113120213 is an apocalyptic number.

It is an amenable number.

1113120213 is a deficient number, since it is larger than the sum of its proper divisors (438376587).

1113120213 is an equidigital number, since it uses as much as digits as its factorization.

1113120213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 701448 (or 701425 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 15.

The square root of 1113120213 is about 33363.4562508143. The cubic root of 1113120213 is about 1036.3680674291.

Adding to 1113120213 its reverse (3120213111), we get a palindrome (4233333324).

It can be divided in two parts, 111 and 3120213, that multiplied together give a palindrome (346343643).

The spelling of 1113120213 in words is "one billion, one hundred thirteen million, one hundred twenty thousand, two hundred thirteen".