20120333320111 has 4 divisors (see below), whose sum is σ = 20120493643272. Its totient is φ = 20120172996952.

The previous prime is 20120333320099. The next prime is 20120333320117. The reversal of 20120333320111 is 11102333302102.

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 20120333320111 - 2³⁹ = 19570577506223 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 (20120333320117) 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, 79973185 + ... + 80224378.

It is an arithmetic number, because the mean of its divisors is an integer number (5030123410818).

Almost surely, 2^{20120333320111} is an apocalyptic number.

20120333320111 is a deficient number, since it is larger than the sum of its proper divisors (160323161).

20120333320111 is a wasteful number, since it uses less digits than its factorization.

20120333320111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160323160.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 20120333320111 its reverse (11102333302102), we get a palindrome (31222666622213).

The spelling of 20120333320111 in words is "twenty trillion, one hundred twenty billion, three hundred thirty-three million, three hundred twenty thousand, one hundred eleven".