122031223111 has 8 divisors (see below), whose sum is σ = 139474050560. Its totient is φ = 104590844568.

The previous prime is 122031223099. The next prime is 122031223117. The reversal of 122031223111 is 111322130221.

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

It is not a de Polignac number, because 122031223111 - 2⁷ = 122031222983 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 (122031223117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 504171 + ... + 705868.

It is an arithmetic number, because the mean of its divisors is an integer number (17434256320).

Almost surely, 2^122031223111 is an apocalyptic number.

122031223111 is a deficient number, since it is larger than the sum of its proper divisors (17442827449).

122031223111 is a wasteful number, since it uses less digits than its factorization.

122031223111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1224453.

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

Adding to 122031223111 its reverse (111322130221), we get a palindrome (233353353332).

The spelling of 122031223111 in words is "one hundred twenty-two billion, thirty-one million, two hundred twenty-three thousand, one hundred eleven".