30100012101921 has 16 divisors (see below), whose sum is σ = 42258429112640. Its totient is φ = 19004774817600.

The previous prime is 30100012101899. The next prime is 30100012101931. The reversal of 30100012101921 is 12910121000103.

It is a happy number.

It is not a de Polignac number, because 30100012101921 - 2¹⁷ = 30100011970849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30100012101931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 79798270 + ... + 80174583.

It is an arithmetic number, because the mean of its divisors is an integer number (2641151819540).

Almost surely, 2^{30100012101921} is an apocalyptic number.

It is an amenable number.

30100012101921 is a deficient number, since it is larger than the sum of its proper divisors (12158417010719).

30100012101921 is a wasteful number, since it uses less digits than its factorization.

30100012101921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159976176.

The product of its (nonzero) digits is 108, while the sum is 21.

The spelling of 30100012101921 in words is "thirty trillion, one hundred billion, twelve million, one hundred one thousand, nine hundred twenty-one".