30110122120 has 32 divisors (see below), whose sum is σ = 72959143320. Its totient is φ = 11117583360.

The previous prime is 30110122103. The next prime is 30110122123. The reversal of 30110122120 is 2122101103.

It can be written as a sum of positive squares in 4 ways, for example, as 23385138084 + 6724984036 = 152922^2 + 82006^2 .

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a self number, because there is not a number n which added to its sum of digits gives 30110122120.

It is not an unprimeable number, because it can be changed into a prime (30110122123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28951521 + ... + 28952560.

Almost surely, 2^30110122120 is an apocalyptic number.

It is an amenable number.

30110122120 is an abundant number, since it is smaller than the sum of its proper divisors (42849021200).

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

30110122120 is a wasteful number, since it uses less digits than its factorization.

30110122120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57904105 (or 57904101 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 30110122120 its reverse (2122101103), we get a palindrome (32232223223).

The spelling of 30110122120 in words is "thirty billion, one hundred ten million, one hundred twenty-two thousand, one hundred twenty".