122112211221123 has 8 divisors (see below), whose sum is σ = 164337929120448. Its totient is φ = 80647317067944.

The previous prime is 122112211221097. The next prime is 122112211221163. The reversal of 122112211221123 is 321122112211221.

It is a happy number.

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

It is not a de Polignac number, because 122112211221123 - 2³⁶ = 122043491744387 is a prime.

It is a super-2 number, since 2×122112211221123² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 122112211221093 and 122112211221102.

It is not an unprimeable number, because it can be changed into a prime (122112211221163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 190205936161 + ... + 190205936802.

It is an arithmetic number, because the mean of its divisors is an integer number (20542241140056).

Almost surely, 2^{122112211221123} is an apocalyptic number.

122112211221123 is a deficient number, since it is larger than the sum of its proper divisors (42225717899325).

122112211221123 is a wasteful number, since it uses less digits than its factorization.

122112211221123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 380411873073.

The product of its digits is 384, while the sum is 24.

Adding to 122112211221123 its reverse (321122112211221), we get a palindrome (443234323432344).

The spelling of 122112211221123 in words is "one hundred twenty-two trillion, one hundred twelve billion, two hundred eleven million, two hundred twenty-one thousand, one hundred twenty-three".