30141902084921 has 12 divisors (see below), whose sum is σ = 33134137833636. Its totient is φ = 27399284188320.

The previous prime is 30141902084911. The next prime is 30141902084963. The reversal of 30141902084921 is 12948020914103.

It can be written as a sum of positive squares in 2 ways, for example, as 12742900878400 + 17399001206521 = 3569720^2 + 4171211^2 .

It is a de Polignac number, because none of the positive numbers 2^k-30141902084921 is a prime.

It is a super-2 number, since 2×30141902084921² (a number of 28 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (44) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30141902084911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9751166 + ... + 12464711.

It is an arithmetic number, because the mean of its divisors is an integer number (2761178152803).

Almost surely, 2^{30141902084921} is an apocalyptic number.

It is an amenable number.

30141902084921 is a deficient number, since it is larger than the sum of its proper divisors (2992235748715).

30141902084921 is a wasteful number, since it uses less digits than its factorization.

30141902084921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22227112 (or 22227101 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 44.

The spelling of 30141902084921 in words is "thirty trillion, one hundred forty-one billion, nine hundred two million, eighty-four thousand, nine hundred twenty-one".