30111220200 has 96 divisors (see below), whose sum is σ = 93399379200. Its totient is φ = 8024962560.

The previous prime is 30111220189. The next prime is 30111220241. The reversal of 30111220200 is 202211103.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1080036 + ... + 1107564.

It is an arithmetic number, because the mean of its divisors is an integer number (972910200).

Almost surely, 2^30111220200 is an apocalyptic number.

30111220200 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30111220200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46699689600).

30111220200 is an abundant number, since it is smaller than the sum of its proper divisors (63288159000).

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

30111220200 is a wasteful number, since it uses less digits than its factorization.

30111220200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29371 (or 29362 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 30111220200 its reverse (202211103), we get a palindrome (30313431303).

The spelling of 30111220200 in words is "thirty billion, one hundred eleven million, two hundred twenty thousand, two hundred".