30020012111 has 2 divisors, whose sum is σ = 30020012112. Its totient is φ = 30020012110.

The previous prime is 30020012107. The next prime is 30020012147. The reversal of 30020012111 is 11121002003.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 30020012111 - 2² = 30020012107 is a prime.

It is a super-2 number, since 2×30020012111² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30020012092 and 30020012101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30020012101) 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 as a sum of consecutive naturals, namely, 15010006055 + 15010006056.

It is an arithmetic number, because the mean of its divisors is an integer number (15010006056).

Almost surely, 2^30020012111 is an apocalyptic number.

30020012111 is a deficient number, since it is larger than the sum of its proper divisors (1).

30020012111 is an equidigital number, since it uses as much as digits as its factorization.

30020012111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 30020012111 its reverse (11121002003), we get a palindrome (41141014114).

The spelling of 30020012111 in words is "thirty billion, twenty million, twelve thousand, one hundred eleven".