2213315021 has 8 divisors (see below), whose sum is σ = 2245989888. Its totient is φ = 2180682000.

The previous prime is 2213314993. The next prime is 2213315059. The reversal of 2213315021 is 1205133122.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2213315021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2213314984 and 2213315002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2213312021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 105476 + ... + 124706.

It is an arithmetic number, because the mean of its divisors is an integer number (280748736).

Almost surely, 2^2213315021 is an apocalyptic number.

It is an amenable number.

2213315021 is a deficient number, since it is larger than the sum of its proper divisors (32674867).

2213315021 is a wasteful number, since it uses less digits than its factorization.

2213315021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20923.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 2213315021 is about 47045.8820833450. The cubic root of 2213315021 is about 1303.2100200064.

Adding to 2213315021 its reverse (1205133122), we get a palindrome (3418448143).

The spelling of 2213315021 in words is "two billion, two hundred thirteen million, three hundred fifteen thousand, twenty-one".