122101222222122 has 128 divisors (see below), whose sum is σ = 289871896043520. Its totient is φ = 33799863306240.

The previous prime is 122101222222117. The next prime is 122101222222157. The reversal of 122101222222122 is 221222222101221.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 122101222222092 and 122101222222101.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1577843043 + ... + 1577920425.

It is an arithmetic number, because the mean of its divisors is an integer number (2264624187840).

Almost surely, 2^{122101222222122} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 122101222222122, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (144935948021760).

122101222222122 is an abundant number, since it is smaller than the sum of its proper divisors (167770673821398).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

122101222222122 is a wasteful number, since it uses less digits than its factorization.

122101222222122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96468.

The product of its (nonzero) digits is 1024, while the sum is 24.

Adding to 122101222222122 its reverse (221222222101221), we get a palindrome (343323444323343).

The spelling of 122101222222122 in words is "one hundred twenty-two trillion, one hundred one billion, two hundred twenty-two million, two hundred twenty-two thousand, one hundred twenty-two".