30111220011 has 4 divisors (see below), whose sum is σ = 40148293352. Its totient is φ = 20074146672.

The previous prime is 30111220001. The next prime is 30111220021. The reversal of 30111220011 is 11002211103.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (30111220001) and next prime (30111220021).

It is not a de Polignac number, because 30111220011 - 2¹⁰ = 30111218987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30111220001) 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, 5018536666 + ... + 5018536671.

It is an arithmetic number, because the mean of its divisors is an integer number (10037073338).

Almost surely, 2^30111220011 is an apocalyptic number.

30111220011 is a deficient number, since it is larger than the sum of its proper divisors (10037073341).

30111220011 is a wasteful number, since it uses less digits than its factorization.

30111220011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10037073340.

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

Adding to 30111220011 its reverse (11002211103), we get a palindrome (41113431114).

It can be divided in two parts, 301112 and 20011, that added together give a palindrome (321123).

The spelling of 30111220011 in words is "thirty billion, one hundred eleven million, two hundred twenty thousand, eleven".