30020012011911 has 8 divisors (see below), whose sum is σ = 40093505193600. Its totient is φ = 19979930085752.

The previous prime is 30020012011897. The next prime is 30020012011921. The reversal of 30020012011911 is 11911021002003.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 30020012011911 - 2¹³ = 30020012003719 is a prime.

It is a super-2 number, since 2×30020012011911² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30020012011921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8352811785 + ... + 8352815378.

It is an arithmetic number, because the mean of its divisors is an integer number (5011688149200).

Almost surely, 2^{30020012011911} is an apocalyptic number.

30020012011911 is a deficient number, since it is larger than the sum of its proper divisors (10073493181689).

30020012011911 is a wasteful number, since it uses less digits than its factorization.

30020012011911 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16705627765.

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

Adding to 30020012011911 its reverse (11911021002003), we get a palindrome (41931033013914).

The spelling of 30020012011911 in words is "thirty trillion, twenty billion, twelve million, eleven thousand, nine hundred eleven".