30012111103 has 16 divisors (see below), whose sum is σ = 32707392480. Its totient is φ = 27374039424.

The previous prime is 30012111089. The next prime is 30012111109. The reversal of 30012111103 is 30111121003.

It is a cyclic number.

It is not a de Polignac number, because 30012111103 - 2³³ = 21422176511 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30012111109) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 325653 + ... + 407521.

It is an arithmetic number, because the mean of its divisors is an integer number (2044212030).

Almost surely, 2^30012111103 is an apocalyptic number.

30012111103 is a deficient number, since it is larger than the sum of its proper divisors (2695281377).

30012111103 is a wasteful number, since it uses less digits than its factorization.

30012111103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82218.

The product of its (nonzero) digits is 18, while the sum is 13.

Adding to 30012111103 its reverse (30111121003), we get a palindrome (60123232106).

The spelling of 30012111103 in words is "thirty billion, twelve million, one hundred eleven thousand, one hundred three".