30111021300 has 144 divisors (see below), whose sum is σ = 89467593152. Its totient is φ = 7816089600.

The previous prime is 30111021257. The next prime is 30111021301. The reversal of 30111021300 is 312011103.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30111021301) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1766619 + ... + 1783581.

Almost surely, 2^30111021300 is an apocalyptic number.

30111021300 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 30111021300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44733796576).

30111021300 is an abundant number, since it is smaller than the sum of its proper divisors (59356571852).

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

30111021300 is a wasteful number, since it uses less digits than its factorization.

30111021300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17138 (or 17131 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 12.

Adding to 30111021300 its reverse (312011103), we get a palindrome (30423032403).

The spelling of 30111021300 in words is "thirty billion, one hundred eleven million, twenty-one thousand, three hundred".