30001154121 has 6 divisors (see below), whose sum is σ = 43335000410. Its totient is φ = 20000769408.

The previous prime is 30001154119. The next prime is 30001154129. The reversal of 30001154121 is 12145110003.

It can be written as a sum of positive squares in only one way, i.e., 28540385721 + 1460768400 = 168939^2 + 38220^2 .

It is not a de Polignac number, because 30001154121 - 2¹ = 30001154119 is a prime.

It is a super-3 number, since 3×30001154121³ (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30001154094 and 30001154103.

It is not an unprimeable number, because it can be changed into a prime (30001154129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1666730776 + ... + 1666730793.

Almost surely, 2^30001154121 is an apocalyptic number.

It is an amenable number.

30001154121 is a deficient number, since it is larger than the sum of its proper divisors (13333846289).

30001154121 is a wasteful number, since it uses less digits than its factorization.

30001154121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3333461575 (or 3333461572 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

Adding to 30001154121 its reverse (12145110003), we get a palindrome (42146264124).

The spelling of 30001154121 in words is "thirty billion, one million, one hundred fifty-four thousand, one hundred twenty-one".