30221100000 has 1440 divisors, whose sum is σ = 140063660352. Its totient is φ = 6220800000.

The previous prime is 30221099957. The next prime is 30221100017. The reversal of 30221100000 is 112203.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (1440).

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 239 ways as a sum of consecutive naturals, for example, 737099980 + ... + 737100020.

Almost surely, 2^30221100000 is an apocalyptic number.

30221100000 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 30221100000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70031830176).

30221100000 is an abundant number, since it is smaller than the sum of its proper divisors (109842560352).

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

30221100000 is an equidigital number, since it uses as much as digits as its factorization.

30221100000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108 (or 71 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

Adding to 30221100000 its reverse (112203), we get a palindrome (30221212203).

The spelling of 30221100000 in words is "thirty billion, two hundred twenty-one million, one hundred thousand".