912110000221 has 4 divisors (see below), whose sum is σ = 1042411428832. Its totient is φ = 781808571612.

The previous prime is 912110000209. The next prime is 912110000227. The reversal of 912110000221 is 122000011219.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 912110000221 - 2¹⁷ = 912109869149 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (912110000227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65150714295 + ... + 65150714308.

It is an arithmetic number, because the mean of its divisors is an integer number (260602857208).

Almost surely, 2^912110000221 is an apocalyptic number.

It is an amenable number.

912110000221 is a deficient number, since it is larger than the sum of its proper divisors (130301428611).

912110000221 is a wasteful number, since it uses less digits than its factorization.

912110000221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130301428610.

The product of its (nonzero) digits is 72, while the sum is 19.

The spelling of 912110000221 in words is "nine hundred twelve billion, one hundred ten million, two hundred twenty-one", and thus it is an aban number.