30111112010 has 24 divisors (see below), whose sum is σ = 63048982500. Its totient is φ = 10323809664.

The previous prime is 30111111971. The next prime is 30111112063. The reversal of 30111112010 is 1021111103.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 29621507881 + 489604129 = 172109^2 + 22127^2 .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 30111111982 and 30111112000.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30725135 + ... + 30726114.

Almost surely, 2^30111112010 is an apocalyptic number.

30111112010 is an abundant number, since it is smaller than the sum of its proper divisors (32937870490).

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

30111112010 is a wasteful number, since it uses less digits than its factorization.

30111112010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61451270 (or 61451263 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 11.

Adding to 30111112010 its reverse (1021111103), we get a palindrome (31132223113).

The spelling of 30111112010 in words is "thirty billion, one hundred eleven million, one hundred twelve thousand, ten".