30130121122110 has 128 divisors (see below), whose sum is σ = 81550419840000. Its totient is φ = 7914368373120.

The previous prime is 30130121122039. The next prime is 30130121122111. The reversal of 30130121122110 is 1122112103103.

30130121122110 is a `hidden beast` number, since 301 + 30 + 12 + 112 + 211 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30130121122111) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 528579391 + ... + 528636389.

It is an arithmetic number, because the mean of its divisors is an integer number (637112655000).

Almost surely, 2^{30130121122110} is an apocalyptic number.

30130121122110 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 30130121122110, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40775209920000).

30130121122110 is an abundant number, since it is smaller than the sum of its proper divisors (51420298717890).

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

30130121122110 is a wasteful number, since it uses less digits than its factorization.

30130121122110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86303 (or 86297 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 30130121122110 its reverse (1122112103103), we get a palindrome (31252233225213).

The spelling of 30130121122110 in words is "thirty trillion, one hundred thirty billion, one hundred twenty-one million, one hundred twenty-two thousand, one hundred ten".