30123102220111 has 4 divisors (see below), whose sum is σ = 30764019288672. Its totient is φ = 29482185151552.

The previous prime is 30123102220073. The next prime is 30123102220129. The reversal of 30123102220111 is 11102220132103.

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

It is a cyclic number.

It is not a de Polignac number, because 30123102220111 - 2¹⁷ = 30123102089039 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 (30123102220411) 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, 320458534210 + ... + 320458534303.

It is an arithmetic number, because the mean of its divisors is an integer number (7691004822168).

Almost surely, 2^{30123102220111} is an apocalyptic number.

30123102220111 is a deficient number, since it is larger than the sum of its proper divisors (640917068561).

30123102220111 is an equidigital number, since it uses as much as digits as its factorization.

30123102220111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 640917068560.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 30123102220111 its reverse (11102220132103), we get a palindrome (41225322352214).

The spelling of 30123102220111 in words is "thirty trillion, one hundred twenty-three billion, one hundred two million, two hundred twenty thousand, one hundred eleven".