30021103101123 has 56 divisors (see below), whose sum is σ = 45877542319728. Its totient is φ = 19632443185152.

The previous prime is 30021103101103. The next prime is 30021103101149. The reversal of 30021103101123 is 32110130112003.

30021103101123 is a `hidden beast` number, since 30 + 0 + 211 + 0 + 310 + 112 + 3 = 666.

It is not a de Polignac number, because 30021103101123 - 2⁵ = 30021103101091 is a prime.

It is a super-2 number, since 2×30021103101123² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30021103101096 and 30021103101105.

It is not an unprimeable number, because it can be changed into a prime (30021103101103) by changing a digit.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 6112036 + ... + 9869102.

It is an arithmetic number, because the mean of its divisors is an integer number (819241827138).

Almost surely, 2^{30021103101123} is an apocalyptic number.

30021103101123 is a deficient number, since it is larger than the sum of its proper divisors (15856439218605).

30021103101123 is an equidigital number, since it uses as much as digits as its factorization.

30021103101123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3757295 (or 3757280 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 30021103101123 its reverse (32110130112003), we get a palindrome (62131233213126).

The spelling of 30021103101123 in words is "thirty trillion, twenty-one billion, one hundred three million, one hundred one thousand, one hundred twenty-three".