30122211 has 12 divisors (see below), whose sum is σ = 46720392. Its totient is φ = 17212608.

The previous prime is 30122161. The next prime is 30122221. The reversal of 30122211 is 11222103.

It is not a de Polignac number, because 30122211 - 2⁷ = 30122083 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30122221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 102310 + ... + 102603.

It is an arithmetic number, because the mean of its divisors is an integer number (3893366).

Almost surely, 2^30122211 is an apocalyptic number.

30122211 is a deficient number, since it is larger than the sum of its proper divisors (16598181).

30122211 is a wasteful number, since it uses less digits than its factorization.

30122211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204930 (or 204923 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 30122211 is about 5488.3705232063. The cubic root of 30122211 is about 311.1446100503.

Adding to 30122211 its reverse (11222103), we get a palindrome (41344314).

The spelling of 30122211 in words is "thirty million, one hundred twenty-two thousand, two hundred eleven".