30660106110121 has 4 divisors (see below), whose sum is σ = 30865878634500. Its totient is φ = 30454333585744.

The previous prime is 30660106110103. The next prime is 30660106110133. The reversal of 30660106110121 is 12101160106603.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4182536265625 + 26477569844496 = 2045125^2 + 5145636^2 .

It is a cyclic number.

It is not a de Polignac number, because 30660106110121 - 2²⁹ = 30659569239209 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 30660106110121.

It is not an unprimeable number, because it can be changed into a prime (30660106110521) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 102886261966 + ... + 102886262263.

It is an arithmetic number, because the mean of its divisors is an integer number (7716469658625).

Almost surely, 2^{30660106110121} is an apocalyptic number.

It is an amenable number.

30660106110121 is a deficient number, since it is larger than the sum of its proper divisors (205772524379).

30660106110121 is a wasteful number, since it uses less digits than its factorization.

30660106110121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205772524378.

The product of its (nonzero) digits is 1296, while the sum is 28.

Adding to 30660106110121 its reverse (12101160106603), we get a palindrome (42761266216724).

The spelling of 30660106110121 in words is "thirty trillion, six hundred sixty billion, one hundred six million, one hundred ten thousand, one hundred twenty-one".