123220210111 has 8 divisors (see below), whose sum is σ = 123572472800. Its totient is φ = 122868158688.

The previous prime is 123220210109. The next prime is 123220210117. The reversal of 123220210111 is 111012022321.

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 123220210111 - 2¹ = 123220210109 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 (123220210117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1154590 + ... + 1256788.

It is an arithmetic number, because the mean of its divisors is an integer number (15446559100).

Almost surely, 2^123220210111 is an apocalyptic number.

123220210111 is a deficient number, since it is larger than the sum of its proper divisors (352262689).

123220210111 is a wasteful number, since it uses less digits than its factorization.

123220210111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105633.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 123220210111 its reverse (111012022321), we get a palindrome (234232232432).

The spelling of 123220210111 in words is "one hundred twenty-three billion, two hundred twenty million, two hundred ten thousand, one hundred eleven".