30122011 has 8 divisors (see below), whose sum is σ = 33572880. Its totient is φ = 26857728.

The previous prime is 30121999. The next prime is 30122017. The reversal of 30122011 is 11022103.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 30122011 - 2⁵ = 30121979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30122017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46306 + ... + 46951.

It is an arithmetic number, because the mean of its divisors is an integer number (4196610).

Almost surely, 2^30122011 is an apocalyptic number.

30122011 is a deficient number, since it is larger than the sum of its proper divisors (3450869).

30122011 is a wasteful number, since it uses less digits than its factorization.

30122011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93293.

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 30122011 is about 5488.3523028319. The cubic root of 30122011 is about 311.1439214215.

Adding to 30122011 its reverse (11022103), we get a palindrome (41144114).

The spelling of 30122011 in words is "thirty million, one hundred twenty-two thousand, eleven".