30220021312109 has 8 divisors (see below), whose sum is σ = 31997718338040. Its totient is φ = 28442329698816.

The previous prime is 30220021312087. The next prime is 30220021312123. The reversal of 30220021312109 is 90121312002203.

It can be written as a sum of positive squares in 4 ways, for example, as 1239833256484 + 28980188055625 = 1113478^2 + 5383325^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 30220021312109 - 2²⁴ = 30220004534893 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 (30220021312409) 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, 18284177 + ... + 19868345.

It is an arithmetic number, because the mean of its divisors is an integer number (3999714792255).

Almost surely, 2^{30220021312109} is an apocalyptic number.

It is an amenable number.

30220021312109 is a deficient number, since it is larger than the sum of its proper divisors (1777697025931).

30220021312109 is a wasteful number, since it uses less digits than its factorization.

30220021312109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2706319.

The product of its (nonzero) digits is 1296, while the sum is 26.

The spelling of 30220021312109 in words is "thirty trillion, two hundred twenty billion, twenty-one million, three hundred twelve thousand, one hundred nine".