30110111020 has 192 divisors, whose sum is σ = 72642189312. Its totient is φ = 10386432000.

The previous prime is 30110110963. The next prime is 30110111023. The reversal of 30110111020 is 2011101103.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 30110110988 and 30110111006.

It is not an unprimeable number, because it can be changed into a prime (30110111023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 107153280 + ... + 107153560.

It is an arithmetic number, because the mean of its divisors is an integer number (378344736).

Almost surely, 2^30110111020 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 30110111020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36321094656).

30110111020 is an abundant number, since it is smaller than the sum of its proper divisors (42532078292).

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

30110111020 is a wasteful number, since it uses less digits than its factorization.

30110111020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 632 (or 630 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 10.

Adding to 30110111020 its reverse (2011101103), we get a palindrome (32121212123).

The spelling of 30110111020 in words is "thirty billion, one hundred ten million, one hundred eleven thousand, twenty".