2101213222 has 8 divisors (see below), whose sum is σ = 3176637696. Its totient is φ = 1042333992.

The previous prime is 2101213123. The next prime is 2101213237. The reversal of 2101213222 is 2223121012.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 2101213196 and 2101213205.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4135993 + ... + 4136500.

It is an arithmetic number, because the mean of its divisors is an integer number (397079712).

Almost surely, 2^2101213222 is an apocalyptic number.

2101213222 is a deficient number, since it is larger than the sum of its proper divisors (1075424474).

2101213222 is a wasteful number, since it uses less digits than its factorization.

2101213222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8272622.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 2101213222 is about 45838.9923754875. The cubic root of 2101213222 is about 1280.8257249434.

Adding to 2101213222 its reverse (2223121012), we get a palindrome (4324334234).

The spelling of 2101213222 in words is "two billion, one hundred one million, two hundred thirteen thousand, two hundred twenty-two".