30105455121 has 24 divisors (see below), whose sum is σ = 49799993984. Its totient is φ = 17167775040.

The previous prime is 30105455077. The next prime is 30105455137. The reversal of 30105455121 is 12155450103.

30105455121 is a `hidden beast` number, since 3 + 0 + 105 + 4 + 551 + 2 + 1 = 666.

It is not a de Polignac number, because 30105455121 - 2¹⁰ = 30105454097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30105455621) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 459940 + ... + 521301.

Almost surely, 2^30105455121 is an apocalyptic number.

It is an amenable number.

30105455121 is a deficient number, since it is larger than the sum of its proper divisors (19694538863).

30105455121 is a wasteful number, since it uses less digits than its factorization.

30105455121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 981741 (or 981738 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 27.

The spelling of 30105455121 in words is "thirty billion, one hundred five million, four hundred fifty-five thousand, one hundred twenty-one".