1113213122 has 16 divisors (see below), whose sum is σ = 1910692800. Its totient is φ = 476509488.

The previous prime is 1113213103. The next prime is 1113213137. The reversal of 1113213122 is 2213123111.

It is a self number, because there is not a number n which added to its sum of digits gives 1113213122.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36497 + ... + 59652.

It is an arithmetic number, because the mean of its divisors is an integer number (119418300).

Almost surely, 2^1113213122 is an apocalyptic number.

1113213122 is a deficient number, since it is larger than the sum of its proper divisors (797479678).

1113213122 is an equidigital number, since it uses as much as digits as its factorization.

1113213122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96985.

The product of its digits is 72, while the sum is 17.

The square root of 1113213122 is about 33364.8485984876. The cubic root of 1113213122 is about 1036.3969008653.

Adding to 1113213122 its reverse (2213123111), we get a palindrome (3326336233).

The spelling of 1113213122 in words is "one billion, one hundred thirteen million, two hundred thirteen thousand, one hundred twenty-two".