30112211103 has 32 divisors (see below), whose sum is σ = 44782295040. Its totient is φ = 17870294400.

The previous prime is 30112211071. The next prime is 30112211147. The reversal of 30112211103 is 30111221103.

It is a happy number.

It is not a de Polignac number, because 30112211103 - 2⁵ = 30112211071 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30112211153) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 960628 + ... + 991478.

It is an arithmetic number, because the mean of its divisors is an integer number (1399446720).

Almost surely, 2^30112211103 is an apocalyptic number.

30112211103 is a deficient number, since it is larger than the sum of its proper divisors (14670083937).

30112211103 is a wasteful number, since it uses less digits than its factorization.

30112211103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31759.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 30112211103 its reverse (30111221103), we get a palindrome (60223432206).

The spelling of 30112211103 in words is "thirty billion, one hundred twelve million, two hundred eleven thousand, one hundred three".