121112010222 has 96 divisors (see below), whose sum is σ = 286584946560.
Its totient is φ = 34017197760.
The previous prime is 121112010197. The next prime is 121112010223. The reversal of 121112010222 is 222010211121.
Adding to 121112010222 its reverse (222010211121), we get a palindrome (343122221343).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (121112010223) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4106304 + ... + 4135692.
It is an arithmetic number, because the mean of its divisors is an integer number (2985259860).
Almost surely, 2121112010222 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 121112010222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (143292473280).
121112010222 is an abundant number, since it is smaller than the sum of its proper divisors (165472936338).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
121112010222 is a wasteful number, since it uses less digits than its factorization.
121112010222 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 29646 (or 29639 counting only the distinct ones).
The product of its (nonzero) digits is 32, while the sum is 15.
The spelling of 121112010222 in words is "one hundred twenty-one billion, one hundred twelve million, ten thousand, two hundred twenty-two".