30118381921001 has 6 divisors (see below), whose sum is σ = 33105328888506. Its totient is φ = 27380347200800.

The previous prime is 30118381920973. The next prime is 30118381921007. The reversal of 30118381921001 is 10012918381103.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 30003663553600 + 114718367401 = 5477560^2 + 338701^2 .

It is a de Polignac number, because none of the positive numbers 2^k-30118381921001 is a prime.

It is a super-4 number, since 4×30118381921001⁴ (a number of 55 digits) contains 4444 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30118381921007) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 124456123520 + ... + 124456123761.

It is an arithmetic number, because the mean of its divisors is an integer number (5517554814751).

Almost surely, 2^{30118381921001} is an apocalyptic number.

It is an amenable number.

30118381921001 is a deficient number, since it is larger than the sum of its proper divisors (2986946967505).

30118381921001 is a wasteful number, since it uses less digits than its factorization.

30118381921001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248912247303 (or 248912247292 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 38.

The spelling of 30118381921001 in words is "thirty trillion, one hundred eighteen billion, three hundred eighty-one million, nine hundred twenty-one thousand, one".