30111222211 has 12 divisors (see below), whose sum is σ = 36870885480. Its totient is φ = 24451217280.

The previous prime is 30111222181. The next prime is 30111222217. The reversal of 30111222211 is 11222211103.

It is not a de Polignac number, because 30111222211 - 2¹⁷ = 30111091139 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30111222217) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16170510 + ... + 16172371.

It is an arithmetic number, because the mean of its divisors is an integer number (3072573790).

Almost surely, 2^30111222211 is an apocalyptic number.

30111222211 is a deficient number, since it is larger than the sum of its proper divisors (6759663269).

30111222211 is a wasteful number, since it uses less digits than its factorization.

30111222211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32342914 (or 32342907 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 30111222211 its reverse (11222211103), we get a palindrome (41333433314).

It can be divided in two parts, 301112 and 22211, that added together give a palindrome (323323).

The spelling of 30111222211 in words is "thirty billion, one hundred eleven million, two hundred twenty-two thousand, two hundred eleven".