2213213123 has 4 divisors (see below), whose sum is σ = 2414414328. Its totient is φ = 2012011920.

The previous prime is 2213213099. The next prime is 2213213131. The reversal of 2213213123 is 3213123122.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2213213123 - 2⁶ = 2213213059 is a prime.

It is a super-3 number, since 3×2213213123³ (a number of 29 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2213213095 and 2213213104.

It is not an unprimeable number, because it can be changed into a prime (2213213173) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100600586 + ... + 100600607.

It is an arithmetic number, because the mean of its divisors is an integer number (603603582).

Almost surely, 2^2213213123 is an apocalyptic number.

2213213123 is a deficient number, since it is larger than the sum of its proper divisors (201201205).

2213213123 is a wasteful number, since it uses less digits than its factorization.

2213213123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201201204.

The product of its digits is 432, while the sum is 20.

The square root of 2213213123 is about 47044.7991068088. The cubic root of 2213213123 is about 1303.1900203631.

Adding to 2213213123 its reverse (3213123122), we get a palindrome (5426336245).

Subtracting 2213213123 from its reverse (3213123122), we obtain a palindrome (999909999).

The spelling of 2213213123 in words is "two billion, two hundred thirteen million, two hundred thirteen thousand, one hundred twenty-three".