30003112102121 has 4 divisors (see below), whose sum is σ = 30569208556932. Its totient is φ = 29437015647312.

The previous prime is 30003112102099. The next prime is 30003112102127. The reversal of 30003112102121 is 12120121130003.

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 11029804843225 + 18973307258896 = 3321115^2 + 4355836^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30003112102121 is a prime.

It is a super-2 number, since 2×30003112102121² (a number of 28 digits) contains 22 as substring.

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 30003112102121.

It is not an unprimeable number, because it can be changed into a prime (30003112102127) 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, 283048227326 + ... + 283048227431.

It is an arithmetic number, because the mean of its divisors is an integer number (7642302139233).

Almost surely, 2^{30003112102121} is an apocalyptic number.

It is an amenable number.

30003112102121 is a deficient number, since it is larger than the sum of its proper divisors (566096454811).

30003112102121 is an equidigital number, since it uses as much as digits as its factorization.

30003112102121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 566096454810.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 30003112102121 its reverse (12120121130003), we get a palindrome (42123233232124).

The spelling of 30003112102121 in words is "thirty trillion, three billion, one hundred twelve million, one hundred two thousand, one hundred twenty-one".