30123216101 has 8 divisors (see below), whose sum is σ = 32885745984. Its totient is φ = 27364695520.

The previous prime is 30123216083. The next prime is 30123216121. The reversal of 30123216101 is 10161232103.

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 30123216101 - 2¹⁰ = 30123215077 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30123216121) 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, 986600 + ... + 1016673.

It is an arithmetic number, because the mean of its divisors is an integer number (4110718248).

Almost surely, 2^30123216101 is an apocalyptic number.

It is an amenable number.

30123216101 is a deficient number, since it is larger than the sum of its proper divisors (2762529883).

30123216101 is a wasteful number, since it uses less digits than its factorization.

30123216101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2004651.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 30123216101 its reverse (10161232103), we get a palindrome (40284448204).

The spelling of 30123216101 in words is "thirty billion, one hundred twenty-three million, two hundred sixteen thousand, one hundred one".