30122010111 has 4 divisors (see below), whose sum is σ = 40162680152. Its totient is φ = 20081340072.

The previous prime is 30122010071. The next prime is 30122010137. The reversal of 30122010111 is 11101022103.

It is a semiprime because it is the product of two primes.

It is a de Polignac number, because none of the positive numbers 2^k-30122010111 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30122010211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5020335016 + ... + 5020335021.

It is an arithmetic number, because the mean of its divisors is an integer number (10040670038).

Almost surely, 2^30122010111 is an apocalyptic number.

30122010111 is a deficient number, since it is larger than the sum of its proper divisors (10040670041).

30122010111 is a wasteful number, since it uses less digits than its factorization.

30122010111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10040670040.

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

Adding to 30122010111 its reverse (11101022103), we get a palindrome (41223032214).

The spelling of 30122010111 in words is "thirty billion, one hundred twenty-two million, ten thousand, one hundred eleven".