30111020210 has 32 divisors (see below), whose sum is σ = 54540216000. Its totient is φ = 11968862400.

The previous prime is 30111020183. The next prime is 30111020231. The reversal of 30111020210 is 1202011103.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 30111020191 and 30111020200.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3036260 + ... + 3046160.

It is an arithmetic number, because the mean of its divisors is an integer number (1704381750).

Almost surely, 2^30111020210 is an apocalyptic number.

30111020210 is a deficient number, since it is larger than the sum of its proper divisors (24429195790).

30111020210 is a wasteful number, since it uses less digits than its factorization.

30111020210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11786.

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 30111020210 its reverse (1202011103), we get a palindrome (31313031313).

The spelling of 30111020210 in words is "thirty billion, one hundred eleven million, twenty thousand, two hundred ten".