30012121003111 has 4 divisors (see below), whose sum is σ = 32320745695672. Its totient is φ = 27703496310552.

The previous prime is 30012121003103. The next prime is 30012121003141. The reversal of 30012121003111 is 11130012121003.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 30012121003111 - 2³ = 30012121003103 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30012121003141) 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 3 ways as a sum of consecutive naturals, for example, 1154312346261 + ... + 1154312346286.

It is an arithmetic number, because the mean of its divisors is an integer number (8080186423918).

Almost surely, 2^{30012121003111} is an apocalyptic number.

30012121003111 is a deficient number, since it is larger than the sum of its proper divisors (2308624692561).

30012121003111 is a wasteful number, since it uses less digits than its factorization.

30012121003111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2308624692560.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 30012121003111 its reverse (11130012121003), we get a palindrome (41142133124114).

It can be divided in two parts, 30012121003 and 111, that multiplied together give a palindrome (3331345431333).

The spelling of 30012121003111 in words is "thirty trillion, twelve billion, one hundred twenty-one million, three thousand, one hundred eleven".