30111111200 has 72 divisors (see below), whose sum is σ = 75218341968. Its totient is φ = 11764327680.

The previous prime is 30111111187. The next prime is 30111111223. The reversal of 30111111200 is 211111103.

It is a happy number.

It is a super-3 number, since 3×30111111200³ (a number of 32 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 403262 + ... + 472061.

It is an arithmetic number, because the mean of its divisors is an integer number (1044699194).

Almost surely, 2^30111111200 is an apocalyptic number.

It is an amenable number.

30111111200 is an abundant number, since it is smaller than the sum of its proper divisors (45107230768).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30111111200 is a wasteful number, since it uses less digits than its factorization.

30111111200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 875386 (or 875373 counting only the distinct ones).

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

Adding to 30111111200 its reverse (211111103), we get a palindrome (30322222303).

The spelling of 30111111200 in words is "thirty billion, one hundred eleven million, one hundred eleven thousand, two hundred".