3120200222921 has 2 divisors, whose sum is σ = 3120200222922. Its totient is φ = 3120200222920.

The previous prime is 3120200222891. The next prime is 3120200222977. The reversal of 3120200222921 is 1292220020213.

3120200222921 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2436330765625 + 683869457296 = 1560875^2 + 826964^2 .

It is an emirp because it is prime and its reverse (1292220020213) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3120200222921 - 2¹⁸ = 3120199960777 is a prime.

It is a super-2 number, since 2×3120200222921² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3120200222021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1560100111460 + 1560100111461.

It is an arithmetic number, because the mean of its divisors is an integer number (1560100111461).

Almost surely, 2^{3120200222921} is an apocalyptic number.

It is an amenable number.

3120200222921 is a deficient number, since it is larger than the sum of its proper divisors (1).

3120200222921 is an equidigital number, since it uses as much as digits as its factorization.

3120200222921 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 26.

The spelling of 3120200222921 in words is "three trillion, one hundred twenty billion, two hundred million, two hundred twenty-two thousand, nine hundred twenty-one".