30011012111 has 4 divisors (see below), whose sum is σ = 30163352472. Its totient is φ = 29858671752.

The previous prime is 30011012093. The next prime is 30011012117. The reversal of 30011012111 is 11121011003.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11121011003 = 2909 ⋅3822967.

It is a cyclic number.

It is not a de Polignac number, because 30011012111 - 2²² = 30006817807 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30011012092 and 30011012101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30011012117) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 76169885 + ... + 76170278.

It is an arithmetic number, because the mean of its divisors is an integer number (7540838118).

Almost surely, 2^30011012111 is an apocalyptic number.

30011012111 is a deficient number, since it is larger than the sum of its proper divisors (152340361).

30011012111 is a wasteful number, since it uses less digits than its factorization.

30011012111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152340360.

The product of its (nonzero) digits is 6, while the sum is 11.

Adding to 30011012111 its reverse (11121011003), we get a palindrome (41132023114).

The spelling of 30011012111 in words is "thirty billion, eleven million, twelve thousand, one hundred eleven".