30121104261 has 8 divisors (see below), whose sum is σ = 40276549600. Its totient is φ = 20023197552.

The previous prime is 30121104259. The next prime is 30121104287. The reversal of 30121104261 is 16240112103.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 30121104261 - 2¹ = 30121104259 is a prime.

It is a super-2 number, since 2×30121104261² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30121104241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14383435 + ... + 14385528.

It is an arithmetic number, because the mean of its divisors is an integer number (5034568700).

Almost surely, 2^30121104261 is an apocalyptic number.

It is an amenable number.

30121104261 is a deficient number, since it is larger than the sum of its proper divisors (10155445339).

30121104261 is a wasteful number, since it uses less digits than its factorization.

30121104261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28769315.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 30121104261 its reverse (16240112103), we get a palindrome (46361216364).

The spelling of 30121104261 in words is "thirty billion, one hundred twenty-one million, one hundred four thousand, two hundred sixty-one".