30111021112 has 16 divisors (see below), whose sum is σ = 59779233360. Its totient is φ = 14169892224.

The previous prime is 30111021053. The next prime is 30111021139. The reversal of 30111021112 is 21112011103.

It is a happy number.

It is a super-3 number, since 3×30111021112³ (a number of 32 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30111021092 and 30111021101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 110702148 + ... + 110702419.

It is an arithmetic number, because the mean of its divisors is an integer number (3736202085).

Almost surely, 2^30111021112 is an apocalyptic number.

It is an amenable number.

30111021112 is a deficient number, since it is larger than the sum of its proper divisors (29668212248).

30111021112 is a wasteful number, since it uses less digits than its factorization.

30111021112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221404590 (or 221404586 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 30111021112 its reverse (21112011103), we get a palindrome (51223032215).

The spelling of 30111021112 in words is "thirty billion, one hundred eleven million, twenty-one thousand, one hundred twelve".