30111203201 has 4 divisors (see below), whose sum is σ = 30146339652. Its totient is φ = 30076066752.

The previous prime is 30111203099. The next prime is 30111203207. The reversal of 30111203201 is 10230211103.

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

It can be written as a sum of positive squares in 2 ways, for example, as 27272871025 + 2838332176 = 165145^2 + 53276^2 .

It is a cyclic number.

It is not a de Polignac number, because 30111203201 - 2¹⁸ = 30110941057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30111203207) 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, 17566940 + ... + 17568653.

It is an arithmetic number, because the mean of its divisors is an integer number (7536584913).

Almost surely, 2^30111203201 is an apocalyptic number.

It is an amenable number.

30111203201 is a deficient number, since it is larger than the sum of its proper divisors (35136451).

30111203201 is an equidigital number, since it uses as much as digits as its factorization.

30111203201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35136450.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 30111203201 its reverse (10230211103), we get a palindrome (40341414304).

The spelling of 30111203201 in words is "thirty billion, one hundred eleven million, two hundred three thousand, two hundred one".