30221111033120 has 192 divisors, whose sum is σ = 83448015436800. Its totient is φ = 10129071513600.

The previous prime is 30221111033119. The next prime is 30221111033149. The reversal of 30221111033120 is 2133011112203.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 30221111033092 and 30221111033101.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7245596 + ... + 10627364.

It is an arithmetic number, because the mean of its divisors is an integer number (434625080400).

Almost surely, 2^{30221111033120} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30221111033120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41724007718400).

30221111033120 is an abundant number, since it is smaller than the sum of its proper divisors (53226904403680).

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

30221111033120 is a wasteful number, since it uses less digits than its factorization.

30221111033120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3381971 (or 3381963 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 30221111033120 its reverse (2133011112203), we get a palindrome (32354122145323).

The spelling of 30221111033120 in words is "thirty trillion, two hundred twenty-one billion, one hundred eleven million, thirty-three thousand, one hundred twenty".