1122013213 has 16 divisors (see below), whose sum is σ = 1202342400. Its totient is φ = 1043930160.

The previous prime is 1122013181. The next prime is 1122013223. The reversal of 1122013213 is 3123102211.

It is a cyclic number.

It is not a de Polignac number, because 1122013213 - 2⁵ = 1122013181 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1122013223) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 380298 + ... + 383236.

It is an arithmetic number, because the mean of its divisors is an integer number (75146400).

Almost surely, 2^1122013213 is an apocalyptic number.

It is an amenable number.

1122013213 is a deficient number, since it is larger than the sum of its proper divisors (80329187).

1122013213 is a wasteful number, since it uses less digits than its factorization.

1122013213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3312.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 1122013213 is about 33496.4656792325. The cubic root of 1122013213 is about 1039.1206858100.

Adding to 1122013213 its reverse (3123102211), we get a palindrome (4245115424).

The spelling of 1122013213 in words is "one billion, one hundred twenty-two million, thirteen thousand, two hundred thirteen".